Here is a portion of the true story.
Boyer read the obituary in the newspaper and decided it was time she spoke up. She called the police and told them Overton had tried to poison her 15 years earlier. By that time the remains of Janet Overton had been cremated. But police ordered an analysis of her ashes, which confirmed the first wife's hunch -- traces of cyanide.
Overton, who was by this time a professor at the University of Southern California, was arrested and charged with murdering his third wife, a trustee of the Capistrano School District. The case was handled by the Orange County, Calif., District Attorney's Office, and became one of the county's most famous and twisted murder cases.
Although they had been divorced for almost 15 years, Boyer's testimony revealed the whole scheme that led up to her coffee-can poisoning. At that time, the defendant worked for an aerospace contractor and had a top-secret-level clearance. While married, he met and married another woman -- Karoline Wallace -- adopting the identity of a co-worker to legally marry the second woman. He would tell one wife he was on a business trip while he lived with the other wife. Every few weeks, one would drop him off at the airport as if he was leaving, and the other would pick him up as if he was returning. For a year and a half, his scam worked.
You can read the entire story from the link below.
http://www.govtech.com/gt/articles/96104
