why did he do it? authorities say to get back at an ex-lover. using a fake e-mail account, thompson allegedly pinned some of the threats on his ex, like this one sent to the headquarters can of the anti-defamation league. she is behind the bomb threats against jews. the next day authorities say he phoned in a bomb threat to the adl and disguised his voice. thompson is a former journalist from the st. louis and sometimes participated in panel discussions on social issues. >> and everyone i knew, everyone i grew up with, the people i interview, whether they be in ferguson or baltimore, the young people, like i did, at one point in my life when i was younger, they desire something more. >> reporter: at one point, thompson wrote for the online publication "the intercept." an editor-in-chief there says he was fired early last year after he fabricated quotes and sources, a claim thompson denied in a previous interview with cnn. now at the center of accusations again.