The episode you are referring to, (Italian for "New Horizons"), is the 15th episode of the 19th season of the original Law & Order (aired as "Bailout" in the United States). Plot Summary: The Price of a "Bailout"

The trial pits ADA against a defense attorney who successfully weaponizes the public’s anger toward Wall Street.

The investigation leads to , the director of a struggling youth recreation center in Harlem. Addison, portrayed as a "barrio saint," admits to the kidnapping but offers a stunning defense: he claims the mistress, Carlson , was actually his accomplice. According to Addison, they staged the kidnapping together to force Gardner—whose firm had just gone under, bankrupting thousands—to pay a "ransom" that would serve as the $200,000 donation he had previously promised to the youth center. The Legal Battle

The idea that a jury might acquit a guilty person because they sympathize with their motives or despise the victim.

The stark contrast between Gardner’s lavish lifestyle and Addison’s spartan existence in a back room of the youth center.

The story begins when the mistress of a disgraced investment bank CEO, , is found dead after a hit-and-run. Detectives Lupo and Bernard quickly discover that her death was no accident; she was fleeing a kidnapping and extortion plot.