All right, but first that dramatic recording, the teacher allegedly trying to hire a hitman to a colleague. The friend was recording the entire conversation. Abc's john schriffen is here with the... See More
All right, but first that dramatic recording, the teacher allegedly trying to hire a hitman to a colleague. The friend was recording the entire conversation. Abc's john schriffen is here with the latest. It seems to get wilder by the day. Because police say no money was exchanged, this audio recording becomes a major piece of evidence. It filled with racial slurs and profanities and details how to kill a high schoolteacher. What do you want doneith bob meredith? I want him killed. All right. Reporter: Stunning on saturday. When they played a phone conversation allegedly between james pepe and his friend. We got to kill this [ bleep ]. Reporter: Not exactly what you would expect to hear from a history teacher. Originally I remember, you know, you and I talked about it and you wanted to pay me to kill him and then I was uncomfortable with that because I have kids. Reporter: If 11 minutes, the two talked about ways to carry out the plan. At one point, pepe allegedly suggests finding a former student of his. Reporter: Police say pepe was upset because he thought that the man he used to work was spreading rumors about him, saying he was a child molester. But meredith said that's not true, that the two barely knew each other. Never words exchanged never? Reporter: Police were tipped off two weeks ago. Using an undercover agent posing as the hit man. Here's the deal, you should just talk to the guy. Why don't you just talk to him? How do you want meredith killed? Anyway he wants. I don't give a . Reporter: The prosecution claims that pepe would meredith off a school event. If inconvicted of the charge of solicitation, he takes a year in prison. Hard to fight those tapes, though, in court. John, thank you. Lot of other news overnight.
This transcript has been automatically generated and may not be 100% accurate.