As part of the bail, DiNardo must appear for all of his court hearings and he is not wearing an electronic-monitoring device, Weintraub said Wednesday.
Both Cosmo's cell phone and the phones belonging to both of his parents have been seized by investigators as they try to piece together a timeline of Cosmo's whereabouts since last Wednesday, when the first of the young men, Jimi Patrick, went missing.
Sturgis was last seen leaving his home on Walt Road in Pennsburg, around 6 p.m. Friday to visit his friend, Meo, in Doylestown, Sturgis' father told NBC10.
Sturgis, 22, Thomas C. Meo, 21, and Dean A. Finocchiaro, 18, were last seen on Friday.
According to Weintraub, Patrick was reported missing on July 5, and has had no contact with family or friends since.
DiNardo was arrested Monday on a gun charge that had been dismissed this spring.
"Sometimes, that's out of our control", the district attorney explained. Inside the vehicle were supplies to help Meo control his diabetes.
The search today surrounded a farm in Bucks County believed to be connected to the four men's disappearance.
A report via the Philadelphia Inquirer told of investigators searching a number of properties, including a corn field and an adjoining property, a family farm in Solebury Township, as well as chasing down a number of 'fast-developing leads'.
Weintraub also shut down rumors of the recovery of bodies by saying investigators have not recovered "any human remains at this point." . "That's what we're dealing with here", he said. "We're going to continue in the direction we're going". "We're not going to rest until we get through every inch of that property".
Still, he said the search has proven challenging, given the "heat, the magnitude, the scope and the stakes are incredibly high".
Weintraub would not elaborate on the evidence recovered, but said authorities were "encouraged by it".
Weintraub declined to comment on what drew them to DiNardo nor the farm and would not give specific details on the evidence found there and at other locations. On Tuesday, Mr. DiNardo's lawyer, Michael Parlow, was not immediately available to answer a telephone message.
The investigation, noted the DA, is "still wide open".
Cosmo DiNardo, 20, whose parents own the property, was arrested Monday on an offense dating from February. We have four families keeping a vigil.
DiNardo is being held on $1 million bail because he is considered a flight risk, Weintraub said.
Pennsylvania law prohibits a person who has been adjudicated as incompetent or involuntarily committed to a mental institution from possessing a firearm.
Is there a link between a detained 20-year-old person of interest and the four young men who have mysteriously vanished within days of each other? Asked if the four missing men could still be alive, Weintraub said, "I think it's very important to hang on to hope".
He did, however, confirm that cadaver dogs have been called to the search area.
State police conducted a search at a home in Solebury Township Sunday evening, but they are not saying what led them to the home.
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