NCIS: Naval Criminal Investigative Service Episode 22.06 Knight and Day

When an intruder at the home of a defense contractor is killed. The team investigate and learn the intruder was killed by the man's mistress.. the man's wife shows up and is upset. They learn the intruder was not going to rob the contractor but possibly kidnap him. They talk to the wife at NCIS and learn she's aware of his affairs. She's about to leave when they learn the intruder was not going after the husband but the wife. So the assign Knight to protect her and she's very difficult. When they learn more about the intruder and tell her she bolts and they try to find her. They also learn the intruder has to ties to a crime family Parker's acquainted with.