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Sneak peek: The Ultimatum

Name: Sneak peek: The Ultimatum
Uploaded: 2015-08-04T15:30:00-0400
Duration: 3 min 16 s
Description: Two daughters are determined to find their mother’s killer. Will the investigation expose hidden secrets? "48 Hours" correspondent Peter Van Sant reports Saturday, Aug. 8 at 10 p.m. ET/PT on CBS.

Two daughters are determined to find their mother’s killer. Will the investigation expose hidden secrets? "48 Hours" correspondent Peter Van Sant reports Saturday, Aug. 8 at 10 p.m. ET/PT on CBS.