Cooper Koch, who portrays Erik Menendez in “Monsters: The Lyle and Erik Menendez Story,” kept up his research for the role even while sleeping.
‘Monsters’ star Cooper Koch on how he prepared to play Erik Menéndez
Cooper Koch, who portrays Erik Menendez in “Monsters: The Lyle and Erik Menendez Story,” kept up his research for the role even while sleeping.