Finocchiaro was last seen on July 7.
Of note, Fox Philadelphia reported Finocchiaro having been arrested multiple times in the past.
In the gun charge he still faces, DiNardo is accused of illegally possessing a shotgun and ammunition because of a previous involuntary commitment to a mental health institution.
Dean Finocchiaro (left), 18, has been identified as one of the bodies found on a Pennsylvania farm.
"I know more than I'm sharing on the relationships, and I have to keep it that way, unfortunately, to maintain the integrity of the investigation", Weintraub said.
Dinardo's father paid 10% of his $1 million bail in cash, and he was released Tuesday evening. The vehicle was found on a second DiNardo family property about a half mile from the farm.
"I don't understand the science behind it, but those dogs could smell these four boys 12.5 feet under the ground", the district attorney said, signaling bad news for the families of the missing men.
Finocchiaro and the three other men between 19 and 22 went missing over several days last week within miles of each other.
Close friends Sturgis and Meo were last seen near the Doylestown area in Bucks County, CNN affiliate KYW-TV reported. "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". "I'll tell you that he was normal up until a year ago", the friend said.
Fire ravages building under construction in Oakland
Thick, heavy black smoke came from the site, and was visible for miles. "Units summoned additional alarms". The fire was well underway by the time firefighters arrived minutes later and was spreading quickly.
Authorities initially dismissed the charges but refiled them on Monday, after the disappearances of the four men.
'Everybody you talk to about this guy, you hear he's mentally unstable'.
Police teams searching for four missing men have made a heartbreaking discovery.
It is now unclear how, if at all, the four men knew DiNArdo.
Pictured, Cosmo DiNardo, who is thought to have murdered, Dean Finocchiaro and three other missing Bucks County, PA men.
"We're going to see this investigation through to the end", Weintraub said. According to the Inquirer, though, he and Patrick both attended Holy Ghost Preparatory School in Bensalem, Pennsylvania, while DiNardo and Finocchiaro both were interested in ATVs and were in at least one Facebook group together about quad bikes. An affidavit in that case cited DiNardo 'suffering from mental illness.' describing the 20 year old as a schizophrenic.
The "all hands on deck" investigation into their whereabouts, including local and state police and the FBI, has centered on a farmland property in Solebury Township owned by Antonio and Sandra Dinardo. Previous run in with the law included traffic violations and other minor infractions.
DiNardo is now only being held on firearms charges but he is considered a suspect of interest in the disappearances of the four men.