An American woman vanishes from Madrid and the prime suspect -- her estranged husband -- tries to get out on bond. In Las Vegas, Robert Telles is on trial for the grisly murder of the man investigating him. And NBC Connecticut journalists dig into the controversial past of Dr. Henry Lee, who testified in the OJ Simpson and JonBenét Ramsey trials.
You can watch NBC Connecticut's Traces of Doubt: The Forensics of Dr. Henry Lee here.