targeted drone strike and at one point was considered the third most dangerous member of isis. cnn's laurie stegall traveled to england to his family home to find out how someone goes from hacker to terrorist, in this week's episode of "mostly human." >> reporter: sorry, okay. okay. [ bleep ] okay. you guys, i don't think it's probably safe for us to go out there. >> laurie stegall is joining me now, what a teaser. were you kind of nervous doing this? i would be a little intimidated going to this this investigation. >> we wanted to understand who he was before joining isis and i was knocking on doors and i didn't feel safe at moments. but the one thing that's so