Cooper Koch Says He Did Not Use a Prosthetic in ‘Monsters’ Nude Scene

Cooper Koch. Leon Bennett/WireImage Cooper Koch reveals that he didn’t use a prosthetic while filming a nude shower scene in Monsters: The Lyle and Erik Menendez Story. Koch, who plays Erik Menendez in the Netflix crime drama series, confirmed that he went au naturel during his Monday, October 14 appearance on Bravo’s Watch What Happens…