Does She Know? Lyle Menendez Keeping Shocking Secret From His 21-Year-Old British Lover ... as We Reveal How He Became a 'Prison Wife of a Muscle-Bound, Goateed Convict Called Chino'

As Lyle is reportedly having an affair with a 21-year-old, his fellow inmate said he caught the convict cheating on his wife with a goateed man named Chino.