Of the search on the DiNardo property, Weintraub said, "We're not exactly sure what we're going to find there, but we're pretty confident that the investigation is proceeding in the direction we believed that it would".
He has also told authorities the location of their bodies. Kratz was arrested later the same day in Philadelphia. In exchange for DiNardo's cooperation, Lang said, prosecutors would not seek the death penalty.
"I'm sorry", a shackled DiNardo said as he left the courthouse, according to the AP. So this painstaking process will go on, we're not done yet. "I'd like to think that he wanted to help us get these boys home". His parents own the property being searched.
Authorities searching for four missing young men feared to be the victims of foul play have resumed their focus on a large swath of farmland in Solebury Township, about 30 miles (48 kilometers) north of Philadelphia.
Bucks County District Attorney Matt Weintraub said investigators discovered other human remains that they are still working to identify. The lawyer of DiNardo's parents, Fortunato Perri, Jr., said that the DiNardos sympathize with the parents and the families of the missing men.
Cadaver dogs led investigators to the 12-foot deep grave on Wednesday.
Authorities in a Pennsylvania town have been investigating a befuddling mystery after four young men have disappeared within days of each other.
The son of the property's owners was arrested earlier Wednesday on charges he tried to sell the stolen auto of one of the missing men and is being held on $5 million bond. But Weintraub did not call him a suspect and cautioned there is often a "chasm" between being called a "person of interest" in an investigation and being charged with a crime.
The son of the owners of the property where the remains were found was arrested.
One of the men went missing Wednesday, and three others vanished Friday.
"Every death was related to a purported drug transaction, and at the end of each one there's a killing", the person said.
A court affidavit said he had a history of mental illness and had been involuntarily committed to an institution for inpatient care.
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