eileen curran of our boston station, wbz tv is at logan airport where he was taken into custody. good morning. >> reporter: good morning. this appears to stem from a bad breakup. sources tell us the jet blue pilot's girlfriend contacted authorities after she received an e-mail from him where he threatened to crash the plane he was about to flyoncile with him. it was the most unsettling news for passengers about to take off on jet blue last night in boston. >> i don't think it's appropriate, especially with what's going on rn at world. >> reporter: a source tells wbz a pilot, so personally distraught, he e-mailed his girlfriend threatening to crash the plane he was about to fly if h they didn't reconcile their relationship. >> it's ridiculous, but people say things and they don't always mean it. >> reporter: but this was taken seriously. the tsa confirms the pilot was taken into custody, admitted he wasn't fit for duty, and needed help. and taken to a local hospital for a psychiatric evaluation. >> i would think given all the training that they've had, that they would have been gi