>> i just know. >> the fbi had an informant in the county jail where mohamed hammoud was being held. d to put two bullets in the head of that arrogant prosecutors. >> reporter: that was you? >> yeah. >> we acted on that quickly. we protected him and his family. >> there was law enforcement. >> they wanted my wife and sons to leave the error. -- area. and go into protective custody. the fbi put a remote starter on my car and started carrying a weapon. i started thinking if they want me dead, i will be dead. >> we confronted him about it. he denied it. we learned that hamoud was open to the idea of the prosecutor being killed but it wasn't his idea. but he was quite willing to go along with it. no doubt about that. >> my wife thought when it came out, arrogant bastard prosecutor. what wife gets to see confirmation right in the newspaper, that her husband's an arrogant bastard. >> the jury went out and came back in three days and came back with the verdict of guilty. we note need headquarter, we got the first material support conviction in the country. >> he was sentenced to 165 years in