The other three bodies were found in 12 1/2-foot-deep common grave below an oil tank that had been converted into a cooker. Police found human remains on the family property of a man they had identified as a person of interest.
Investigators found the bodies of the three men Wednesday in a roughly 12-foot-deep grave on a sprawling property in Solebury Township owned by DiNardo's parents, according to the Bucks County District Attorney's Office.
Before human remains were discovered on their property, a family attorney for the DiNardos released a statement saying they are fully cooperating with law enforcement.
Authorities have been combing part of a 90 acre farm owned by the parents of 20-year-old Cosmo DiNardo, identified as a person of interest in the case.
Meo's vehicle was found at a separate property owned by the DiNardo family, a day after authorities said DiNardo attempted to sell Meo's auto to a friend for $500, according to a criminal affidavit.
It was the discovery of Meo's vehicle on a DiNardo family property a half-mile from the farm that led to Cosmo DiNardo's re-arrest. "Make no doubt about it", Bucks County District Attorney Matthew Weintraub said at an overnight news conference.
The back-to-back arrests bought investigators time as they scoured the farm and other spots across the county for clues to the men's disappearance, Weintraub said.
"I'm a real believer in the purity of these dogs when they're properly trained", Warren said. "On June the 9th, we allege that Cosmo DiNardo attempted to sell Meo's vehicle for $500 to a friend whose identity we know but are protecting in court documents for potential safety". Patrick and DiNardo had attended the same Catholic high school for boys.
DiNardo had been arrested earlier this week on an unrelated firearms charge from February, for allegedly possessing a shotgun despite an involuntary commitment for mental illness. DiNardo told investigators he directed Meo and Sturgis to follow him to the Solebury Township property and told Meo to park his auto there.
The Bucks County district attorney didn't comment on the case Thursday night, though his office did tweet news reports of DiNardo's confession.
Pennsylvania State Police, the Federal Bureau of Investigation, and local law enforcement agencies resume the search for Mark Sturgis (22), Tom Meo (21), Dean Finocchiaro (19), and Jimi Tar Patrick (19).
For five days, dozens of law enforcement officers searched the farmland owned by DiNardo's parents.
The Associated Press, citing a person with firsthand knowledge of his confession, reported the DiNardo had a co-conspirator.