Hollywood was left in stunned silence Sunday afternoon as news broke of a horrifying tragedy: Rob Reiner, 78, the beloved director and actor known for countless iconic films, and his wife Michele, 68, were found dead in their Los Angeles mansion. Sources tell PEOPLE that both suffered fatal knife wounds, a violent end that has shocked fans and colleagues alike.

Adding to the horror, multiple insiders reveal that their own son, Nick Reiner, is being named in reports as the suspected perpetrator. The details are still unfolding, and authorities are investigating the chilling circumstances of the deaths, leaving the entertainment world and the public grappling with disbelief and sorrow.

The Reiner family tragedy has sent shockwaves not only through Hollywood but across the nation. Rob Reiner, an Academy Award-nominated director and actor, had a career spanning decades, celebrated for films such as This Is Spinal Tap, When Harry Met Sally…, and A Few Good Men. Michele Singer Reiner, his wife of many years, was known as a supportive partner and a pillar in their family life, always by his side at premieres, awards, and private gatherings.

On Sunday afternoon, emergency responders were called to their Los Angeles mansion, responding to what neighbors initially described as a “disturbing commotion.” Upon arrival, authorities found the couple lifeless, bearing multiple knife wounds. Despite the best efforts of first responders, neither could be saved.

The horrifying revelation that their own son may have been involved has left the public and Reiner’s fans in a state of disbelief. Nick Reiner, whose relationship with his parents had been described in public appearances as complicated yet close, is reportedly now a person of interest in the ongoing investigation. Authorities have yet to locate him, further fueling concern and speculation.

Friends, colleagues, and fans have expressed their grief online, posting tributes to both Rob and Michele. Many recall Rob’s contributions to cinema and Michele’s dedication to supporting the arts and her family. Social media platforms have been flooded with condolences, memories, and shared disbelief.

While the investigation continues, law enforcement urges anyone with information to come forward. The LAPD has confirmed that the scene was secured, and evidence collection is ongoing. Detectives are meticulously reviewing surveillance footage, interviews, and other leads to determine the exact chain of events that led to this shocking outcome.

Beyond the immediate horror of the act, the emotional toll on the Reiner family and their close circle of friends is immense. Those who knew them personally describe a family that was loving, though private, and a home that should have been a sanctuary now turned into the scene of an unimaginable tragedy.

As the world awaits further information, the case has reignited conversations about family dynamics, mental health, and the pressures that can sometimes exist behind closed doors, even in the lives of public figures. Experts note that violence within families, though rare, can have devastating consequences that ripple far beyond the immediate household.

The death of Rob and Michele Reiner marks a somber moment for Hollywood, reminding us that even the most celebrated lives are not immune to tragedy. Fans continue to mourn, honoring their legacies in film, art, and the hearts of those who knew them best. Authorities have promised updates as the investigation progresses, seeking justice for a shocking loss that has captured the attention of a grieving public worldwide.