20/20
A Killing on the Cape
Accomplished fashion writer found stabbed to death at her home; Police ask men in Truro, Massachusetts for DNA samples in murder investigation; Chris McCowen shares his side of the Christa Worthington case.
Accomplished fashion writer found stabbed to death at her home; Police ask men in Truro, Massachusetts for DNA samples in murder investigation; Chris McCowen shares his side of the Christa Worthington case.