Produced by Judy Rybak and Greg Fisher

[This story first aired on Jan. 31, 2015. It was updated on June 9.]

This week's "48 Hours," appropriately set in Los Angeles, is a twisted tale of greed and murder that, at times, may seem like a Hollywood blockbuster. Like any good thriller, it is one part romance, two parts Hitchcock. But in the end, it's all true.

"It wasn't a joke to him. It was very serious. Get it over with. Be bloody, be bad about it, and end it," Rick Fuhrmann told "48 Hours correspondent Troy Roberts. "He wanted her dead and he didn't care how it was done - beat her up, cut her head off put her in ditch."

In 2012, millionaire Dino Guglielmelli asked Fuhrmann to kill the mother of his children.

"Did you ever say ... 'how would the children feel if they lost their mother?

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