Transcript for Texas Man Convicted of Murder, Incident Caught on Tape
Back now for chris cuomo's exclusive interview with a texas man who was convicted of murder after confronting a neighbor having a loud party. He had a gun in his hand and a rolling video camera, which turned out to be a mistake. Reporter: In a quiet town. A story as old as cain and able. Was it justified? Or was it murder? Prosecutors argue, the answer is right here. It is unjustified and unreasonable killing. Reporter: In the video raul rodriguez recorded in the night he shot his neighbor, we see kelley danaher, hand on his The video rodriguez thought would clear him. I brought my video camera because I really believed that if I had documentation of this, that we could take this to court. Reporter: You also brought a handgun and a lot of ammo. Yes. I had a concealed handgun license. And it was perfectly legal for me to carry that weapon. Reporter: Did you need to bring a handgun and ammo to that situation? I carried a firearm everywhere I went. Reporter: Rodriguez had a concealed weapon license. And knew all about the stand your grand law, which allowed you to use deadly force if you were in fear for your life. I'm in fear for my life. No one had weapons. No one was menacing. No one was aggressive. There was no guns. No knives. Not even words that justified anything he did. Reporter: Did hthey recover any weapons from the scene other than yours? I don't know. Reporter: You know the answer. I don't know. Reporter: You know the answer. They didn't find any. Okay. I don't know. Reporter: At the end rodriguez was found guilty of murder. Kelley danaherst's widow is trying to keep them alive. The verdict is a victory for all of the neighbors. Their children can enjoy being in that neighborhood like we did when we grew up. There will be more on "20/20" tonight.
This transcript has been automatically generated and may not be 100% accurate.