Bucks County District Attorney Matthew Weintraub said that if he hadn't made the deal, "we'd still be looking" for Jimi Patrick's body, which was buried about half of a mile away from the other grave.
The person spoke to The Associated Press on the condition of anonymity on Thursday because he was not authorized to publicly discuss details of the case against 20-year-old Cosmo DiNardo, who was in custody. According to the affidavit, he said Kratz shot Finocchiaro in the head as they were leaving a barn on the site. They found the remains of the three bodies Thursday and by the evening had gotten Dinardo to confess.
Patrick's body, which was found late Thursday, was buried in a hole no more than six feet deep by a backhoe used by Dinardo, the affidavit says. Meo, 21, and Sturgis, 22, were friends and coworkers.
The DiNardo family's lawyer, Fortunato Perri Jr., had previously said in a statement that Cosmo DiNardo's parents are cooperating with law enforcement.
Meo is a diabetic, yet his life-saving diabetic kit was still in the vehicle, Weintraub said. He said Patrick only showed up with $800 and they walked to a remote part of the property where DiNardo blasted Patrick with a.22 caliber rifle, The Morning Call reported.
In his confession, Dinardo detailed a series of shocking killings with no clear motive. When he ran out of ammunition, DiNardo said he ran over Meo with a backhoe.
FBI investigators are using machinery to dig out an area identified by cadaver dogs on a 90-acre farm.
Authorities say they've recovered several pieces of evidence from a sprawling farm property and elsewhere while investigating the disappearance of four young Pennsylvania men believed to be victims of foul play.
Weintraub says the recovered 1996 Nissan Maxima contained 21-year-old Tom Meo's life-saving diabetic medication.
DiNardo has had 30 "contacts" with the Bensalem Police Department over the last six years, the department's director, Frederick Harran, said in a telephone interview.
DiNardo was first arrested on Monday on an unrelated gun charge, but his father was able to post $100,000 to have him freed.
DiNardo was arrested earlier in the week for allegedly trying to sell Meo's auto to a friend, which contained a diabetic kit Meo would not have left behind. That only added to the speculation and rumors before DiNardo's confession.
Two days later on July 7, DiNardo and Kratz drove to Finocchiaro's home to pick him up to go to the property (DiNardo allegedly said he had agreed to sell Finocchiaro a quarter pound of marijuana for approximately $700). He was named a person of interest in the disappearances the next day, but he was released from custody after he posted a $1 million bail, 10 percent of which was paid in cash.
DiNardo said he poured gas into the metal tank and set it on fire, and he and his cousin left the farm.
The girlfriend of Moe said investigators had exchanged text messages with his companion up to about 19 hours, and then nothing more, which would be "out of the ordinary and unusual", she says.
The Bucks County District Attorney's Office had no response to the lawyer's comments Thursday night.
But DiNardo was prohibited from owning such a weapon, the document alleges, as he was "known to be suffering from a mental illness" following his involuntary commitment to a mental institution.
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