Rotten Mango S02 E21 The Architect’s Almost Perfect Murder (Case Elaine O'Hara)

Two friends go fishing - instead of fish they catch: BDSM leather masks, ropes, handcuffs, knives, and bondage equipment. Could this be the aftermath of a really crazy party? OR was it something more sinister? A case filled with intimate text messages between the killer and victim, bloodlust, and a raging psychopath.