Ex-Security Guard in Tennessee on Trial for Neighbor's Murder

Former school guard Kevin Waggoner testified he shot neighbor Michael Woodby in self-defense.
2:09 | 08/30/15

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Transcript for Ex-Security Guard in Tennessee on Trial for Neighbor's Murder
But first, we begin with the feud between neighbors that turned into a murder trial. A jury will decide the case of a Tennessee man who confessed to shooting his neighbor to death after a long history of disagreements. ABC's Mara schiavocampo is here with the latest developments in the case. Reporter: Tom, good morning. That man is fighting second-degree murder charges. Friday, taking the stand in his defense, saying he had no choice but to shoot his neighbor in order to save his son's life. This is 100% within his control now. Not to die from me. Reporter: You're hearing the voice of former school security guard Kevin Wagner, prosecutors playing the audio tapes taken before he shot and killed his neighbor. You can be so oblivious how close you are to dying. Er the accused taking the stand Friday claiming self-defense. I didn't have a choice. Reporter: Wagoner said an the intoxicated man knocking Kolton in the head. It was so obvious that he wanted to kill Kolton it was -- it's frightening. If he had gotten through me, no telling what he would have been to Kolton. Reporter: Claiming he would often threaten his family. Even catching his neighbor on camera cursing and appearing to throw rocks from across the street. What the Is your problem, pull that gun -- Reporter: But his widow telling a different story. Saying once held her husband at gun point. I'm the mother, you don't talk to my children, you don't video tape them 24/7. You come out every time that school bus drops them off, video tapes them, no, you don't do that to a child. Reporter: The trial has already gone longer than scheduled. But closing arguments are schedule to start Monday. All right, Mara, we'll be following the developments. Turn now back to news with Ron and Ron you're still

This transcript has been automatically generated and may not be 100% accurate.

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