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Sneak peek: Maria Spencer's Vow to Kill

Name: Sneak peek: Maria Spencer's Vow to Kill
Uploaded: 2020-06-18T11:31:00-0400
Duration: 3 min 10 s
Description: A woman repeatedly threatened to kill her ex. She enlisted her father to help make good on her promise. Why couldn't anyone stop her? "48 Hours" correspondent Peter Van Sant reports Saturday, June 20 at 10/9c on CBS.

A woman repeatedly threatened to kill her ex. She enlisted her father to help make good on her promise. Why couldn't anyone stop her? "48 Hours" correspondent Peter Van Sant reports Saturday, June 20 at 10/9c on CBS.