NCIS: Los Angeles (2009)

S6E8 The Grey Man

Title: The Grey Man Plot: Deeks and Kensi go undercover to probe the homicide of a man living on the streets, only to uncover ties to a Mexican drug cartel. As they delve deeper into the case, they navigate the dangers of the criminal underworld, facing unexpected challenges that put their skills and partnership to the test. The investigation reveals a web of crime that complicates their mission and forces them to confront the harsh realities of the life they are trying to understand.