i'm john quinones. >> you know they were actors. >> now i know. >> hi, this. i'm john quinones. and this is part of "what would you do," the tv show. >> reporter: "what would you do" and john quinones surprising people with hidden cameras competing 500 scenarios. quinones, the veteran globe-trotting correspondent for abc news, anchoring the franchise with an unflinching look at uncomfortable topics. >> in today's world those are serious issues. these things happen in real life. we hold up a mirror to human behavior. it's not scientific, we don't want to pretend that it is. it does give you a sense of what's going on out there. we don't give you the whole pie of american behavior but we give you a slice of pie and usually it's pretty accurate. >> reporter: the show tackles everything from light-hearted pranks -- >> can i what? >> cluck cluck cluck cluck cluck. >> do it a bit louder. >> cluck cluck cluck cluck cluck cluck cluck cluck cluck! >> you have a baby at home? >> i do. >> reporter: sometimes simpl

i'm john quinones. that is our program. join us next week for another edition of "what would you do?." connect with us any time, like us on facebook and follow us on twitter. and don't go away. "20/20" starts right now. >> reporter: tonight on "20/20" -- a simmering summertime feud leads a once-friendly neighborhood to war -- [ gunshots ] with a vet who thinks he's still on the battlefield. >> this is not murder. this is killing the enemy. it could be anytown, u.s.a. your town. kids playing on swings. tight-knit neighbors. then -- a midnight murder spree. a killer in camouflage, crawling across his front yard. >> i immediately went into what the military calls a crouching stance. >> reporter: billy woodward, engaging the enemy -- his former friends. but why? >> just pop, pop, pop. i figured he was going to come and kill all of us. >> reporter: you had been such good neighbors. how in the world did it go so badly? a gun and, he says the law, on his side. billy woodward says that you all threatened him. was he "standing his g

it is named after john wanamaker's son rodman who found the professional golfers association. "eyewitness news" reporter todd quinones shows us another example of philly's far reaching routes in golfing history and new efforts to restore one course to its former glory. >> that is right. >> reporter: even a hacker like me can feel history of cobbs creek, golf course will turn 100 years old next year. >> is there like ghosts out here. you just feel that this was part of something grander, then it is right new. >> reporter: mike, an it guy and joseph faust a villanova professor are not afraid of people laughing in their face. a lot of people say you are nuts. there is no way you will turn cobbs creek around. >> very much so. we heard that, repeatedly. we heard that there have been previous efforts. you will never do it. you cannot get anything done with the city. >> we saw this as an opportunity to make municipal golf better in philadelphia. >> reporter: the two men are on a eight year quest so far to restore cobbs creek golf course in west philadelphia, in order to restore this

year rory mcilroy hoisted the trove bye might not know that award has local ties, it is named after john wanamaker's son rodman who founded the professional golfers association. "eyewitness news" reporter todd quinones shows us another example of philly's far reaching rootness golfing history and new effort to restore one local course to its former glory. >> that is right. >> reporter: even a hacker like me can feel history of cobbs creek, golf course will turn 100 years old. >> there are ghosts out here. you just feel will that this was part of something more grand then it is right now. >> reporter: mike server a it guy and joseph, a villanova professor are not afraid of people laughing in their face. >> people say you are nuts. you know, there is no way you can turn cobbs creek around. >> very much so. we heard that repeatedly. we heard previous efforts. you will never do it. can't get anything done with the city. >> reporter: we saw this as an opportunity to really man make municipal golf better in philadelphia. >> reporter: two men are on a eight year quest to restore cobbs creek gol