Season 4: Wiseguy - Where to watch

Arnado Guzman, hiding out in El Salvador, contacts his trusted "son," Michael Santana, to bring him funds, and Santana concocts a plan to bring him back to justice.

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5. La Mina

1990 - Season 4

Santana learns the details of Guzman's money laundering operation and comes face to face with the drug lord who cost him his job as a Federal prosecutor.

4. The Gift

1990 - Season 4

Santana impresses Guzman with his trustworthiness and finds himself getting deeper into Guzman's operations, a move that endangers his father and Dahlia.

3. Black Gold

1990 - Season 4

The arrival of a shipload of Haitian "boat people" in Miami inadvertently interferes in Santana and McPike's plans to catch Guzman in an illegal act, and opens up a new case.

2. Fruit of the Poisonous Tree (2)

1990 - Season 4

When Vinnie disappears, McPike fears he has been kidnapped by a Salvadoran death squad, and his investigation locks him into a with Michael Santana, a disbarred Cuban-American Federal prosecutor contracted by Vinnie shortly before he disappeared

1. Fruit of the Poisonous Tree (1)

1990 - Season 4

While Frank is in Washington to talk to Paul about returning to work, Dan calls to say Vinnie missed his last check-in. Frank goes to Vinnie's house and finds evidence that he was kidnapped. Despite Paul's objections, Frank begins his own investigation, finding out from Carlotta that Vinnie was looking into the death of a priest in El Salvador. Frank follows the trail to Miami and Michael Santana, a disbarred Federal prosecutor, and the last person Vinnie contacted. Santana refuses to help Frank, saying he doesn't know anything about Vinnie's disappearance. Digging deeper, Frank stumbles upon a CIA investigation and is ordered to back off. (source: http://www.plasticcow.com/wiseguy)