Plot summary
After a federal witness is killed, Reynolds becomes the lead witness on a case he worked undercover for 2 years. Determined that Reynolds isn't safe with the US Marshals Service, Lightman runs an investigation and finds some disturbing things about Reynolds' undercover work that his handler ( Alicia Coppola ) didn't report. In the meantime, Loker and Torres work together to find how the lead witness had been found while in protective custody and shot.
Credits
Adapted from Wikipedia contributors, List of Lie to Me episodes. HTML formatting and reference markers removed.