finney, all of us, we appreciate your time. see you in half an hour. tonight, several developing stories as we come on the air. the courtroom showdown in the trial of paul manafort. robert mueller's star witness, rick gates, on the stand again. already asked, did he commit crimes with paul manafort? his answer, yes. well, tonight, manafort's attorneys now taking aim at rick gates' secret life. the massive disruption tonight involving flights on both coasts because of the dangerous heat and the smoke. and word from authorities today in california, the largest wildfire in state history now. the police officer responding to calls for help near an amusement park in the northeast, but what happened after he got there? tonight, that officer now charged with manslaughter. there is also word coming in tonight, an fbi agent has been shot. we have word on his condition. a major test tonight for president trump. the democrat, the republican and

the special election. who has the momentum, as voters go to the polls right now. the abc news exclusive tonight. the new front in america's longest war. our team on the ground with u.s. special forces, and what happens as they go door-to-door on the hunt for isis. ian pannell and his team reporting in. and tonight, the father speaks in the disappearance of his daughter. the college student on a run. tonight, his theory. and what police are now saying. good evening. and it's great to have you with us here on a very busy tuesday night. and we're going to begin with that courtroom showdown in the trial of former trump campaign chairman paul manafort. robert mueller's star witness, rick gates, taking the stand for a second day, and it was notable. already testifying he committed financial crimes with his former boss, tonight, manafort's lawyers are now taking aim at rick gates and at his secret life. abc's chief white house correspondent jonathan karl

leading us off. >> reporter: in his second day on the stand, rick gates detailed how his former mentor and boss, paul manafort, allegedly schemed to hide millions of dollars to avoid taxes, long before he joined the trump campaign. now gates, who continued to work for trump after manafort left the campaign, is claiming that manafort sought favors from him after trump was elected president, trying to secure an administration job for stephen calk, the ceo of a bank that allegedly loaned manafort millions of dollars based on false information. prosecutors also got gates to talk about how manafort allegedly instructed him not to report foreign bank accounts to avoid paying taxes on them. "did you report payments from foreign bank accounts," the prosecutor asked. gates answered, "mr. manafort directed basically that we did not need to report them." manafort has pleaded not guilty to all charges, including bank fraud, lying to the irs and hiding tens of millions of

dollars that he earned while working for a pro-russia political party in ukraine. under cross examination today, manafort's defense lawyer sought to shred gates' credibility, as someone who pleaded guilty to conspiracy and lying to the feds and who agreed to cooperate with prosecutors in exchange for a more lenient sentence. "did the special counsel tell you you were looking at 290 months in jail," manafort's lawyer asked. "i don't recall," said gates. "oh, i stand corrected," the lawyer said. " 90 careers in jail." same response, gates answered, but i like your first answer better. the defense attorney asking, "after all the lies you've told, do you expect this jury to believe you?" gates responded, "i do." they also tried to paint him as someone who had a, quote, separate secret life with a mistress in london. "there's another rick gates, a

secret rick gates in london," the defense asked. gates admitted the affair and said his wife was aware of it. >> so, let's get to jon karl with us live tonight from washington. and jon, the defense really trying to paint rick gates as a liar here, but gates himself saying in that courtroom he's trying to take responsibility for what he did? >> reporter: in a dramatic moment, david, gates told the court, quote, "i'm here to tell the truth. i'm here to take responsibility." and then, he added that paul manafort had the same opportunity, the implication is, of course, that he did not take it. >> jon karl leading us off. jon, thank you. we're also tracking the dangerous heat and massive flight disruptions at this hour on both coasts. more than 400 flights canceled so far. thunderstorms triggering ground stops in baltimore, d.c. and at the airports right here in new york. and in the west at this hour, flight disruptions, as well, because of low visibility from wildfire smoke. and tonight here, a frightening milestone now from california. the mendocino complex fire in the northern part of that state

is now the largest wildfire in state history. nearly the size of los angeles. abc's will carr tonight from california. >> reporter: tonight in the west, wicked wildfires burning their way into the record books. the mendocino complex fire in northern california, now the largest in state history. scorching an area nearly the size of los angeles. and in southern california, the holy fire going from a spark to 4,000 out of control acres in a split second. >> that fuel hasn't burned for almost 40 years. >> reporter: this time lapse capturing plumes of smoke and ash billowing into the sky. the flames forcing mandatory evacuations. fire crews doing everything they can to put out those flames. you can hear a chopper in the distance, and homes like this just didn't stand a chance. you have a burned stove here. and that gas line is still burning. two firefighters treated for heat exhaustion. two people trapped by flames rescued by helicopter. >> fire travels faster than you think. it's an incredible sensation to be in this and to be faced with

life and death. >> reporter: across the state, nearly 14,000 firefighters on the front lines. some from as far away as new zealand. yet resources still stretched thin. >> there's so many fires burning in the state that it's hard to get resources here. >> reporter: a 747 supertanker joining the fight, dumping nearly 20,000 gallons of retardant, drop after drop. but in northern california, new aerial photos show the devastation from the carr fire. containment is up, but the damage is done. seven people killed. and that massive fire tornado made sure more than a thousand homes were reduced to ash. >> the pictures are really still just stunning. will carr live tonight from california. and will, that mendocino complex fire now, of course, in the record books tonight, the largest in state history. now they're postponing the start of school in some places? >> reporter: that's right, david. one district pushing its start date back because of all the smoke in the area. and here in orange county, authorities still worried about the holy fire burning behind me. it is brutally hot out, and the last time a lot of that brush

burned was more than four decades ago. david? >> the smoke there off in the distance. will carr, our thanks to you. let's get right to chief meteorologist ginger zee on the fires and the heat here in the east. ginger? >> reporter: david, it is certainly hot and muggy here in the northeast, but the excessive heat warnings just got put on by the national weather service in the pacific northwest. a place like seattle has already had seven 90-plus degree days, that's more than double their average. they're looking for two more this week and only a third of seattle residents have air conditioning. the excessive heat warnings stretch all the way to the mexican border. horrible for fighting wildfires. and it spreads east, 104 in missoula by friday. the heat advisories making it feel, this afternoon, with the heat index, from philadelphia to boston, nearly 100. david? >> ginger, thank you. and in parts of colorado, they are bracing for new storms tonight after an extreme hailstorm struck in the last 24 hours. hail the size of softballs forcing people to take cover and caused widespread damage at the colorado springs zoo. 14 visitors and staff were hurt. some animals were killed.

five people were taken to the hospital. outside the gates, at least 300 cars were totaled. as i mentioned, several animals did not survive it. we move on now, to a police officer in pennsylvania charged with voluntary manslaughter tonight in the shooting death of a man, after that officer responded to a call near an amusement park. here's abc's steve osunsami. >> get on the ground right now. >> reporter: here comes the moment where a pennsylvania prosecutor tonight is saying that the police officer on the other side of this police suv went too far. >> get on the ground. get on the ground! >> reporter: 44-year-old joseph santos, who police say is seen on cell phone video refusing commands, was shot and killed. tonight, they're charging officer jonathan roselle with voluntary manslaughter. >> in my opinion, this was the act of a relatively inexperienced officer. >> reporter: officer roselle had just graduated from the police academy last december. in july, he was called to this amusement park in suburban allentown after witnesses say santos was losing control,

bashing cars and breaking windows. >> caller reported a male jumping on cars in front of dorney park. >> reporter: police say that even before the shooting, it was roselle who radioed dispatch, saying that santos may be experiencing mental health issues. the officer fired five shots. police say there's no evidence the victim had any weapon on him, and say he had already hurt himself bashing in those windows. the officer turned himself in today. he has not yet entered a plea. david? >> steve osunsami. steve, thank you. voters tonight in five states are at the polls at this hour. most of them are primaries, but a special election in the key battleground of ohio is becoming a major test for president trump. abc's tara palmeri has traveled to ohio to cover this along the way. with the two candidates tonight, she has what's at stake. >> reporter: tonight, all eyes on the high-stakes special election in ohio's 12th district. the race, a dead heat in a deep red district. president trump won this district in ohio by 11 points

just two years ago. >> troy balderson, come on up. >> reporter: and is throwing his arms around republican troy balderson, a two-term state senator. his opponent, 31-year-old democrat danny o'connor. when we caught up with him earlier today, he wouldn't mention the president. instead, focusing on issues facing voters in the district. >> my opponent is backed by every washington, d.c. entity you could come up with. people are concerned about having their access to health care taken away. >> reporter: balderson, on the other hand, is keeping the president front and center. >> donald j. trump, thank you very much. i need your help. >> reporter: with the race so tight, trump traveled to ohio just 72 hours before the polls opened. >> right from the beginning, troy balderson, he is the guy. he is the guy that's going to do things and you're going to be very surprised. >> reporter: trump does have a good recent track record. since june, he has endorsed 11 republican candidates. all of whom went on to win their primaries. but trump is only 1 for 4 in special elections, when his choice faced off against a democrat. tonight, the last real test before the november midterms.

>> they're talking about this blue wave, i think it could be a red wave. >> and tara palmeri reporting in tonight from new jersey, where president trump is on his working vacation. and tara, the president talking about a red wave in that stump speech. and tonight's race in ohio could really be sort of a test of that promise of a wave, really for either side. >> reporter: that's right, david. and there are even tougher races ahead. republicans are playing defense in areas of the country they never thought they'd have to. president trump says he'll be on the campaign trail six to seven times per week, closer to the midterms. david? >> tara palmeri tonight. tara, thank you. we're going to turn next here to an abc news exclusive. our series, the new front in afghanistan. america's longest war. tonight, our team traveling with u.s. special forces on the hunt for isis. and you're about to see what ian pannell and our team witnessed as they go door-to-door with american forces on the front lines. and what they discovered hidden just a few feet away. here's abc's senior foreign correspondent ian pannell.

>> reporter: that explosion in the distance is the work of u.s. special forces targeting isis in the mountains of afghanistan. where america's longest war rages on tonight. we were given exclusive access to the american fighters. in 17 years reporting on this war, this was the first time to go with the u.s. army green berets. they checked our footage after traveling the dirt roads that lead to isis, all to protect security on the ground. what you're looking at now is the u.s. military striking isis positions, isis tunnels, trying to degrade their capacity. but while they have air superiority, the truth is that they still have to put troops on the ground to take the fight to the militants. this is perhaps the most dangerous part of the mission on this day. and we joined the u.s. troops as they go door-to-door checking for isis fighters and hidden bombs.

the troops throw in a grenade to make sure it's clear. the troops have just moved into a whole series of compounds, in other words, houses that they're trying to clear. they have come across a number of ieds. these are some of the most deadly tracks in the world. laced with ieds. every footstep has to be made safe. every building has to be checked. here we found some bomb parts. >> ied. >> ied. >> yes. >> reporter: but along the track, our path is blocked. there's a booby-trapped bomb. this special forces sergeant tells us what we're looking at. that wooden stick is a pressure plate? >> yeah, that's the pressure plate. >> reporter: how common is it for you to come across this kind of device? >> every time we come down in the valley, we've found them so far. >> reporter: too big to dismantle, they decide to blow it up. we were told to pull back, but left a camera on the ground to see what happened next. the charges are being laid. we just had a look at the ied. the explosive experts are now moved back to set the charge, the timer's going and next few seconds, there's going to be a

very loud bang. >> that was a big one. whoa. >> reporter: you can hear the sound of some of the shrapnel coming down from the explosion there and the reaction from the guys tells me that that was obviously a very large charge that had been laid on the ground. one ied detonated -- have a look at the size of the crater -- just a couple of steps from where we were. but these american fighters know there will be many more on the road ahead. ian pannell, abc news, nangarhar, afghanistan. >> our thanks to ian and the team and we'll stay on this. in the meantime, back here at home tonight, and to boca raton, this evening. florida atlantic university canceling today's graduation ceremony because of a, quote, credible threat. authorities say a note containing threats about a shooting was discovered minutes before the ceremony was supposed to start. students in caps and gowns forced to leave the building. the police investigation is under way tonight. there is still much more ahead on "world news tonight" this tuesday.

the fbi agent shot. the deadly shootout. a suspect wanted for murder. the suspect taken down and we do have news on the agent's condition. also, the warning tonight about the new tick species and the dangers. those ticks already spotted in eight states. and the father speaking out in the disappearance of his daughter, the college student on a run. tonight, his theory, and what police are now saying. ahead.more news ahead. to severe plaque psoriasis. adults with moderate i'm ready. with tremfya®, you can get clearer. and stay clearer. in fact, most patients who saw 90% clearer skin at 28 weeks stayed clearer through 48 weeks. tremfya® works better than humira® at providing clearer skin, and more patients were symptom free with tremfya®. tremfya® may lower your ability to fight infections and may increase your risk of infections. before treatment, your doctor should check you for infections and tuberculosis. tell your doctor if you have an infection or have symptoms such as: fever, sweats, chills, muscle aches or cough. before starting tremfya® tell your doctor if you plan to

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but with new sizes, depend fit-flex is made for me. introducing more sizes for better comfort. new depend fit-flex underwear is guaranteed to be your best fit. next this tuesday night, the reward is growing in the search for that missing student in brooklyn, iowa. and this evening, we hear from her father, his theory, and what police are saying about it. abc's alex perez on the case again tonight. >> reporter: nearly three weeks since mollie tibbetts mysteriously disappeared, tonight, her father saying he believes she's still alive. >> i do believe that mollie is with someone who she knows, probably someone who cares about her, but that relationship was

misguided, misinterpreted and went wrong. >> reporter: police searching for any trace of the 20-year-old university of iowa student after she was last seen going for a run in brooklyn, iowa. >> everyone has their own talent. >> reporter: tonight, mollie's family sharing this video from high school. >> if you're a great writer, or even if you are just a good person, that's one of the best things you can be good at. >> reporter: mollie's father acknowledges his theory is not based on anything he's learned from investigators. he has a message for anyone who might have his daughter. >> listen to mollie. put an end to this. you're in a little bit of trouble now, don't make it worse. >> reporter: david, the reward for information now up to about $300,000. investigators following up on some 500 tips. david? >> alex, thank you. when we come back here tonight, the new warning this evening about a new tick species in several states. and more on that fbi agent shot. we do have news coming in on his condition after the break. the break.ter the break.k.

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to the index of other news. the fbi agent shot in l.a. authorities say gunfire erupted as agents searched for a murder suspect at a motel. the suspect died at the scene. the agent shot. authorities say his condition is not life-threatening. there's news tonight about the children discovered on a remote compound in northern new mexico. authorities have now also found the remains of an unidentified young boy at the site believed to be a missing 3-year-old. 11 children were discovered living in filthy conditions. five adults charged. the new tick warning tonight. what's called the asian or longhorn tick now spreading to eight states. the first new tick species in the u.s. in 50 years, infecting mostly dogs, livestock and deer. in asia, the tick killing 15% of its victims. they have not been found carrying diseases effecting humans in the u.s. yet. a passing to note. hockey hall of famer stan mikita has died. a legend in chicago, he spent his 22-year career with the blackhawks. he was 78. and you remember the brady bunch house. hgtv winning the bidding war for the iconic house in l.a.

the home listed for almost $1.9 million. the selling price believed to be much higher. the cable network promising to restore the house to its '70s glory. when we come back tonight, a note about peter jennings, all these years later. the first person to survive alzheimer's disease is out there. and the alzheimer's association is going to make it happen by funding scientific breakthroughs, advancing public policy, and providing local support to those living with the disease and their caregivers. but we won't get there without you. join the fight with the alzheimer's association.

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finally tonight, it's hard to believe it's been 13 years since we lost peter jennings. along the way, we have checked in with viewers moved by what peter revealed right here. >> now, from our abc studio in new york, peter jennings. >> reporter: for more than four decades, it was peter who helped guide us through the most difficult of times. >> i checked in with my

children, and it -- who are deeply stressed, as i think young people are across the united states. and -- so, if you're a parent, you got a kid in some other part of the country, call them up. >> reporter: but peter also helped us mark the more joyful moments, too. >> happy new year to you, all across the country. >> reporter: and tonight, as we mark 13 years since his passing, so many of you still remember his final broadcast and its impact as peter revealed he had lung cancer. >> i've been reminding my colleagues today, that have all been incredibly supportive, that almost 10 million americans are already living with cancer, and i have a lot to learn from them. >> reporter: tonight, the american lung association telling us that people are still moved by peter's words. awareness about lung cancer critically low because of the stigma. but peter helped change that. "he leaves behind a tremendous legacy," they told us, "and part of this certainly will be his honest approach to sharing his lung cancer diagnosis." we remembered hearing from ellen kinney of pendleton, indiana, three years ago when we marked

this day. she quit like so many others because of peter. >> the day that i heard that he had passed away was like losing a very good friend. and i could relate, because i had been smoking since i was a young teenage girl. >> reporter: ellen now a grandmother, remembers that day. >> that day i went to the drugstore and got a nicotine patch. and i did not pick up another cigarette from that point on. >> reporter: instead, picking up her grandchildren. peter jennings' words and his impact to this day, all these years later. our thanks to ellen, just one part of peter's storied legacy. i'm david muir. i hope to see you tomorrow. good night. you've probably never heard of san francisco's fastest

growing neighborhood. up next, the story behind the latest indication of a changing scene. it's a product many of us have in our garages, and now one man says it gave him cancer. the suit against a major chemical company. we have over 500 scheduled parties tonight. >> oakland police are ready to party on this national night out. a look at how police departments are using the community events along with social media to build better community relations. >> live from you live, this is abc 7 news. >> bigger and more destructive than ever. right now fire crews are struggling to contain the largest wildfire in california state history. >> tonight a look at the reasons why our wildfire threat is getting worse. good evening. thank you for joining us. i'm ama daetz. >> and i'm dan ashley. we'll begin with an update now on developing news, the wildfire that has exploded in size, scorching its way into state history. >> the mendocino complex fire north of clearlake have scorched

more than 454 miles since they started 11 days ago. cal fire says this fire incident is now the largest wildfire in state history. flames have destroyed 75 homes. fire crews say they're working to prevent the fires from advancing farther into residential areas. >> and we are certainly experiencing the effects of the wildfire. sky fire shows a hazy sky in orinda. a spare the air alert is in effect for tomorrow. the smoke from wildfires across the state is so prevalent, in fact, it's been detected in the midwest too. >> and here is a quick look at the overall wildfire situation currently in the state. according to cal fire, 19 wildfires are burning. at least nine people have died. seven of those victims were killed in the carr fire in shasta and trinity counties. the fires are threatening communities from northern siskiyou county to as far south as riverside county just west of palm springs. and this is just the beginning of wildfire season. abc 7 news reporter david louie looked into why these catastrophic events