the brand-new tapes of jordan graham, the montana woman ho pled guilty last week of pushing her husband off a cliff just eight days after their wedding. Ryan owens has the details. Til death do us... See More
the brand-new tapes of jordan graham, the montana woman ho pled guilty last week of pushing her husband off a cliff just eight days after their wedding. Ryan owens has the details. Til death do us part. Reporter: How could he know he would only live eight more days. This wedding video is some of the evidence that the jury saw in the case against jordan graham. The federal judge unsealed it after she pled guilt last week. The jury watched graham's made of honor speaking about the bride. I've really gted to know her. I'm just amazed as the person she is. Reporter: Kim martinez was one of the first to testify against her. The young bride is behind bars after admitting she pushed cody johnson face first off a cliff. I don't know anything more. Reporter: We're getting our first look at the police interrogation videos showing graham lying over and over. Here she is two days after the murder, telling the detective her husband went on a joyride. He was going to go for a ride with some of his out of town buddies visiting. Reporter: Here he she is the next day, with her mom. I got an e-mail this morning from some guy that said he was tony. Reporter: That e-mail was fake. Graham sent it to herself to throw off authorities. It didn't work. Days after his body was found, his bride fessed up to an fbi agent that she shoved him during an argument. He went to grab my arm. I said no, I'm not going to let this happen. I'm going defend myself. He went over. And then I took off and went home. Reporter: It's all evidence the skrurry heard but never had to consider. Her surprise guilty plea stopped the trial after just four days. For "good morning america," ryan owens, abc news, dallas. Boy, hearing those tapes is chilling.
This transcript has been automatically generated and may not be 100% accurate.