The U.S. government enlists WITSEC to hide one of Latin America's feistiest political activists, but everything goes... Full summary

When a Wall Street blue blood rats on his boss' investment fraud and hides out in WITSEC, something from his past life... Full summary

A world-class counterfeiter witness is suspected in a murder; Mary and Marshall realize they may be hiding a witness... Full summary

Mary serves as technical advisor for a new training video; Marshall arranges to get one of Witsec's charter members, a... Full summary

The barely legal daughter of Mary's witness, a Miami racketeer, is in a dangerous romance; Raph's mother visits to... Full summary

Mary briefs a new witness whose visitation rights with his son depend on the man's testimony; when Mary learns the boy... Full summary

When agent O'Connor arrests Brandi for drug trafficking and murder, Mary races to find a way out for Brandi.

When a series of murders seems to follow an ex-con witness, Mary and Marshall must figure out if the witness is the... Full summary

When a bridge collapses, the victims' families go after the engineer, who was once in witness protection; the engineer... Full summary

Stan becomes the chief suspect when his first witness turns up dead; Mary and Marshall dig deeper into a 20-year-old... Full summary