In June 2000, Molly Bish disappeared from the local swimming hole where she worked as a lifeguard in her hometown of Warren, Mass. Nearly three years later, former police officer, Tim McGuigan, helped to uncover evidence that led to the discovery of Molly’s body. “48 Hours" correspondent Susan Spencer reports. This classic "48 Hours" episode last aired on 8/18/2004. Watch all-new episodes of “48 Hours” on Saturdays, and stream on demand on Paramount+.

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