Before the tragic deaths of Rob and Michele Reiner, their son Nick Reiner had reportedly become a source of fear within the family. According to sources speaking to the Daily Mail, Nick’s behavior had grown increasingly “violent and super aggressive,” leaving his parents in a state of distress.

Described by insiders as someone who “made his parents’ lives hell,” the 32-year-old’s frequent “violent outbursts” had been a troubling aspect of their family dynamic. Despite their best efforts to help him, Rob and Michele Reiner found themselves at a loss. “Michele would say, ‘I don’t know what else we can do,'” one source recounted.

Nick, now facing two charges of first-degree murder, had long been considered “deeply troubled,” according to those close to the family. However, his challenges were reportedly exacerbated by ongoing struggles with drug addiction, escalating his behavior to “horrific levels.”

“Michele would say: ‘I don’t know what else we can do?”‘ the outlet claimed.

The source noted that Nick, who has been charged with two counts of first-degree murder, “was always deeply troubled” but this “magnified to horrific levels” with his drug addiction struggles.

“On the surface they had everything, but the tragedy of Nick was always lurking there in the background,” the insider alleged. “That worry never went away.”

The outlet similarly claimed on Monday that the “ticking time bomb… had no control” and was prone to meth-fueled outbursts, from “breaking things [to] punching walls.”

Rob and Michele, who were respectively 78 and 70 at the time of their deaths, allegedly “threatened to call authorities multiple times, but in the end didn’t.”

The pair were found slain in their Brentwood home on Sunday, with Nick arrested later that same day.

The suspect appeared in court on Wednesday wearing a suicide vest.

He is being held without bail at the Twin Towers Correctional Facility in Los Angeles, with his arraignment scheduled for Jan. 7.

Nick’s siblings, Romy and Jake, neglected to name him in the heartbreaking statement they released about the tragedy.

“Words cannot even begin to describe the unimaginable pain we are experiencing every moment of the day,” the duo wrote of losing their “best friends.”

“The horrific and devastating loss of our parents… is something that no one should ever experience,” they continued.

Rob and Michele are also survived by the director’s 61-year-old daughter, Tracy, from a previous marriage, who expressed her “shock” over the news on Monday.

“I came from the greatest family ever,” she told NBC News. “I don’t know what to say.”

Rob and Michele had an epic love story, tying the knot in 1989 more than a decade after the “All in the Family” alum’s divorce from first wife Penny Marshall.

Cinematographer Barry Markowitz, who stayed at the couple’s home the month before their murders, told Page Six it was “one big love fest” there.