brenton tarrant was allegedly acting alone. but he was connected to an international ideology, one which inhabits the darker reaches of the internet, a place the authorities, we've discovered, have not been watching. tarrant has appeared in court and has denied the charges. he lived much of his life online, but he also travelled to dozens of countries, particularly in europe. one of the places brenton tarrant came to was austria, and his extensive travel and his online activity shows just how international and interconnected the far right has become. he also made a significant financial donation to one of the leading figures in the new far—right here in vienna. martin sellner is a far—right activist who claims white europeans are at risk of what he calls "replacement". that, too, was brenton tarrant‘s belief. sellner insists he does not support violence, but he's unapologetic about receiving support from someone who killed. i don't think that this donation means that i in any way share his ideology, and i don't even think

and it uses free—speech sites like gab and 8chan, where brenton tarrant posted his plans. in london, i meet another young austrian who spent the last three years infiltrating the far right, meeting sellner but also going undercover online, where she's had to pass tests to be allowed in. the really extreme ones would even ask for things like background checks, but also genetic ancestry materials that you would have to share, or even things like i've been asked to, for example, share a picture of my wrist to prove that i'm white. she's seen growing calls for violence but says the authorities have not been watching. some of these platforms have just remained, i mean, unregulated but also, in some of the cases, unobserved. on a daily basis, we are seeing several calls for violence across... across the world. three months on from christchurch current security services and tech companies have been scrambling to react, and one intelligence source told me the threat was far wider and deeper than previously understood. gordon corera, bbc news. with all the sport now, here's olly fo

brenton tarrant was allegedly acting alone. but he was connected to an international ideology, one which inhabits the darker reaches of the internet, a place the authorities, we've discovered, have not been watching. tarrant has appeared in court and has denied the charges. he lived much of his life online, but he also travelled to dozens of countries, particularly in europe. one of the places brenton tarrant came to was austria, and his extensive travel and his online activity shows just how international and interconnected the far—right has become. he also made a significant financial donation to one of the leading figures in the new far—right here in vienna. martin sellner is a far—right activist who claims white europeans are at risk of what he calls "replacement". that, too, was brenton tarrant‘s belief. sellner insists he does not support violence, but he's unapologetic about receiving support from someone who killed. i don't think that this donation means that i in any way share his ideology, and i don't even thi

brenton tarrant was allegedly acting alone. but he was connected to an international ideology, one which inhabits the darker reaches of the internet, a place the authorities, we've discovered, have not been watching. tarrant has appeared in court and has denied the charges. he lived much of his life online, but he also travelled to dozens of countries, particularly in europe. one of the places brenton tarrant came to was austria, and his extensive travel and his online activity shows just how international and interconnected the far right has become. he also made a significant financial donation to one of the leading figures in the new far—right here in vienna. martin sellner is a far—right activist who claims white europeans are at risk of what he calls "replacement". that, too, was brenton tarrant‘s belief. sellner insists he does not support violence, but he's unapologetic about receiving support from someone who killed. i don't think that this donation means that i in any way share his ideology, and i don't even think

and it uses free—speech sites like gab and 8chan, where brenton tarrant posted his plans. in london, i need to another young austrian who spent the last three years infiltrating the far—right, meeting sellner, but also going undercover online, where she has had to pass tests to be allowed in. the really extreme ones would even ask for things like background checks, but also genetic ancestry materials that you would have to share, or even things like i've been asked to, for example, share a picture of my wrist to prove that i'm white. she has seen growing calls for violence, but says the authorities have not been watching. some of these platforms have just remained, i mean, unregulated, but also in some of the cases unobserved. on a daily basis, we're seeing several calls for violence across — across the world. three months on from christchurch, security services and tech companies have been scrambling to react, and one intelligence source told me the threat was far wider and deeper than previously understood. gordon corera, bbc news. jodrell bank observatory in cheshir