she claimed he owed her. >> right around 10:30, 10:45 into 11:16 in the morning telling him you better bring a check, don't come back or she's filing charges by 3:00 that day and that's the last text message anyone has with her, the last contact she has ever with anyone. >> reporter: and just before noon is when paul lost his temper and choked her to death, drove to a gas station, bought a can of gasoline, later, returned home towards the house. and somewhere along the way, said the prosecutor, he erased it all of those angry text messages she sent him. >> every single one between the defendant and her, every single one is gone. months worth. >> and then paul used jennifer's cell phone to send fake texts to her friends so they believed she was still alive. to support that claim, he