The Fitbit Alibi

from 48 Hours Hosted by CBS News

In 2016, Nicole Vander Heyden went out with her boyfriend Doug Detrie and friends but never made it home. A day later, she was found beaten and strangled in a field. Wisconsin police used a host of digital tools to try to solve her murder. One device created an alibi. But other tools were used to incriminate her killer. “48 Hours" Correspondent Erin Moriarty reports. This classic "48 Hours" episode last aired on 7/19/2025. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+.

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The Fitbit Alibi

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This episode is 42 minutes long.

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This episode was published on March 11, 2026.

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