911 audio from Rob Reiner's home reveals first responders begging for 'back up' after finding bodies

LOS ANGELES, CALIFORNIA: Hollywood icon Rob Reiner and his wife Michele Singer Reiner were found brutally slaughtered in their lavish Brentwood mansion.

Emergency crews raced to the scene Sunday afternoon after a desperate 911 call, only to stumble upon a nightmare that left first responders demanding “back up."

The legendary director, 78, behind classics like 'When Harry Met Sally' and 'A Few Good Men', and his beloved photographer wife, 68, were discovered with knife wounds in what cops are calling a double homicide.

Chilling 911 audio from Rob Reiner's house

Dispatch audio obtained by TMZ captured the gut-wrenching moment officers realized the full horror inside the Chadbourne Avenue estate around 3:30 pm.

First responders were initially called for a medical emergency, but quickly radioed for police backup after finding the couple’s bodies.

The call for reinforcements painted a picture of the grisly scene at the multimillion-dollar home.

Sources say the filmmaker’s daughter Romy Reiner, 28, who lives just across the street, reportedly made the devastating discovery when she popped over after failing to reach her parents.

According to the Daily Mail, a masseuse arrived for a scheduled 2 pm appointment and got no answer. She immediately alerted Romy, who then walked into the scene and dialed 911 in panic.

Nick Reiner was not at his parents’ Brentwood home when their bodies were discovered on Sunday afternoon.

Instead, police later found him several miles away near the University of Southern California, roughly six hours after the grim discovery.

By Sunday night, Nick had been formally arrested on murder charges in connection with his parents’ deaths. He is currently being held without bond at Los Angeles’ Twin Towers Jail.

Tensions the night before

Insiders reveal the bloodshed may stem from a raging family feud that erupted the night before.

Reiner and his troubled son Nick, 32, allegedly clashed in a “very loud argument” at Conan O’Brien’s star-studded holiday bash Saturday. Witnesses say Nick was “freaking out” and harassing guests. He has notably battled drug addiction and homelessness in the past. Rob and Michele reportedly stormed out early, fuming.

A source close to the family told TMZ Michele had confessed in recent months that they were at their wits’ end over Nick’s issues. “We’ve tried everything," she reportedly said.

Cops are grilling Nick following reports he’s now in custody as the prime suspect. Romy allegedly told officers a family member is “dangerous” and “should be a suspect.”

Hollywood in mourning after Rob Reiner and wife's death

The Reiners leave behind three kids, namely Jake, Romy, and Nick, plus Rob’s daughter Tracy from his marriage to Penny Marshall.

A family spokesman said, “We are heartbroken by this sudden loss, and we ask for privacy during this unbelievably difficult time.”

LAPD Deputy Chief Alan Hamilton vowed, “We’re going to try to speak to every family member that we can to get to the facts of this investigation.”

LA Mayor Karen Bass called it “a devastating loss."

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