On January 24, 2017, Hector Campos shot his neighbor Ana Weed in the heart killing her. He claims it was self-defense, but her family says they believe it was an act of revenge.

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Campos says the neighbors had lived side by side for 12 years without any issues, and claims it wasn’t until he and his wife had a baby that tensions started to rise between him and Weed’s family. Campos says he believes his mother-in-law was “slandering my name” to the Weeds, leaving them with a bad impression of him. He also says he believes Ana helped his wife and daughter return to Mexico.

WATCH: Neighbors Of Hector Campos Claim He Emotionally Abused His Wife

In the video above from Campos’ exclusive interview with Dr. Phil airing Wednesday, he describes two incidents he says he had with Ana and her husband, Scott, in the months leading up to the fatal shooting. Hear why he says he had to call police on her and why he claims the police nearly tasered her.

Also on Wednesday’s episode, Campos, who has been charged with one count of murder, describes the events the day he killed Ana. And hear why her family claims Campos was out for revenge. Check here to see where you can watch.

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Dr. Phil Questions Man’s Reasoning For Shooting Neighbor To Death