After one woman broke his heart, Khalil Abu Rayyan, a 21-year-old Michigan man, contemplated suicide. Then, when he confided his dark thoughts to another woman, she suggested he steer his violence toward other people - Both women, it turned out, were FBI honeypots

https://theintercept.com/2016/04/21/listen-to-an-fbi-honeypot-on-the-job/