In an April 2016 deposition taken in a civil lawsuit Bonnie Contreras filed against Frances Hall, Contreras shares the details of a conversation she says she had .

Imagine you find out your husband of three decades is cheating. Then, his mistress begins taunting you. Thats what investigators say happened before this .
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A toxic love triangle ends with one person dead. Was it a tragic accident or was it an act of murder? Correspondent Peter Van Sant joins CBS This Morning to .