The Jewish Community Center is seen in Tarrytown, N.Y., Tuesday, Feb. 28, 2017.

A former journalist fired for fabricating details in stories made at least eight of the scores of threats against Jewish institutions nationwide, including a bomb threat to New York's Anti-Defamation League, as part of a bizarre campaign to harass and frame his ex-girlfriend, federal officials said Friday. Juan Thompson, 31, was arrested in St. Louis and appeared there in federal court Friday on a cyberstalking charge.