The catalyst for the alleged argument is at the moment underneath investigation.
Reiner, 78, married photographer Singer, 68, in 1989.
The couple had three youngsters collectively: sons Jake and Nick, and daughter Romy.
The Hollywood director moreover has a daughter, Tracy Reiner, from his first marriage to actress and filmmaker Penny Marshall.
In keeping with reviews, troubled son Nick — who has a historical past of drug abuse — had lately moved again into the household’s Brentwood property solely “a number of days” previous to the killings, following a renewed battle with private points.
Sources declare Nick had been “struggling” in latest weeks, prompting his mother and father to intervene and supply him a spot to remain, a call that investigators now imagine positioned them within the direct path of the violence.