Law & Order: Special Victims Unit: Season 1, Episode 11

Bad Blood

When a financial analyst and devotee of BDSM is found strangled to death in a leather harness in her bedroom, Benson and Stabler at first suspect either suicide or accidental death from autoerotic asphyxiation. However, the discovery of a large quantity of hidden diamonds leads the detectives into a shadowy world of money laundering and securities fraud.