Murderous Manson disciple Lynette "Squeaky" Fromme could be in BIG trouble once again.

Just a month after the would-be presidential assassin was released from prison, The ENQUIRER learned she’s in apparent violation of her parole conditions by living with a convicted felon.

Some 34 years after trying to gun down President Gerald Ford, the 60-year-old Manson disciple has moved in with a man who’s been convicted of manslaughter.

The ENQUIRER tracked Squeaky to the upstate New York home of 59-year-old jailbird Robert Valdner. She was released from a federal facility in Fort Worth, Texas, Aug. 14.

"Robert started corresponding with Squeaky several years ago," a friend told The ENQUIRER. "He’s proudly showed off letters and photos she sent him.

"As long as three years ago, he was telling pals she would live with him after her release.

"He’s got a wild past – and a collection of books on Manson and murders. At Christmas, he decorates his tree with lighted skulls. He’s a weight-lifting fanatic and has a large collection of knives and swords."

Official records, obtained by The ENQUIRER, show that Valdner pleaded guilty in 1988 to first-degree manslaughter in the shooting death of his brother-in-law. His plea also covered charges of criminal use of a firearm, possession of a weapon and attempted murder. He was sentenced to 4 to 12 years in prison.

Valdner was released Oct. 22, 1992 – the same day Squeaky celebrated her 44th birthday.

The U.S. Parole Commission guidelines for parolees states: "The releasee shall not associate with a person who has a criminal record without permission from the supervision officer."

When The ENQUIRER contacted spokesman Tom Hutchinson of the U.S. Parole Commission, he stated: "We have no comment on Miss Fromme’s whereabouts, and we cannot comment on the conditions of her parole."

When an ENQUIRER reporter approached a bare-chested Valdner for comment outside his home and asked if he was romantically involved with Squeaky, the ex-con sneered: "That’s none of your f****n  business!"