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Sneak peek: The Fitbit Alibi

Name: Sneak peek: The Fitbit Alibi
Uploaded: 2018-10-17T00:00:00-0400
Duration: 3 min 39 s
Description: A suspect in a murder swears he didn't do it – can his Fitbit prove he's innocent? "48 Hours" correspondent Erin Moriarty investigates Saturday, Oct. 20 at 9/8c on CBS.

A suspect in a murder swears he didn't do it – can his Fitbit prove he's innocent? "48 Hours" correspondent Erin Moriarty investigates Saturday, Oct. 20 at 9/8c on CBS.