With Netflix’s ‘Monsters: The Lyle and Erik Menendez Story’ revisiting the harrowing tale of how two brothers killed their parents in 1989, a lot of old details, as well as relationships, have come under the spotlight again. Amongst them is actually the connection Jamie Lee Pisarcik and Joseph Lyle Menéndez once shared, especially since she not only was his partner around the time the brothers killed their parents but also testified against him.