The Latest: 2 men charged in killings of 4 missing men

A law enforcement official escorts Cosmo DiNardo to a vehicle Thursday, July 13, 2017, in Doylestown, Pa. Lawyer Paul Lang, a defense attorney for DiN

A law enforcement official escorts Cosmo DiNardo to a vehicle Thursday, July 13, 2017, in Doylestown, Pa. Lawyer Paul Lang, a defense attorney for DiN

A law enforcement official escorts Cosmo DiNardo to a vehicle Thursday, July 13, 2017, in Doylestown, Pa. Lawyer Paul Lang, a defense attorney for DiN

Cosmo DiNardo is escorted to a vehicle while in police custody Thursday, July 13, 2017, in Doylestown, Pa. Lawyer Paul Lang, a defense attorney for Di

A law enforcement official escorts Cosmo DiNardo to a vehicle Thursday, July 13, 2017, in Doylestown, Pa. Lawyer Paul Lang, a defense attorney for DiN

A law enforcement official escorts Cosmo DiNardo, right, to a vehicle Thursday, July 13, 2017, in Doylestown, Pa. Lawyer Paul Lang, a defense attorney

A law enforcement official escorts Cosmo DiNardo to a vehicle Thursday, July 13, 2017, in Doylestown, Pa. Lawyer Paul Lang, a defense attorney for DiN

This undated photo provided by Middletown Township Police Department shows Dean Finocchiaro. Investigators found the body of Finocchiaro, one of four

Matthew Weintraub, District Attorney for Bucks County, Pa., speaks with members of the media in New Hope, Pa., Thursday, July 13, 2017. Weintraub said

In this aerial photo, investigators work under tents as they search for clues in the disappearance of four men, Thursday, July 13, 2017 in Solebury, P

In this aerial photo, investigators work under tents as they search for clues in the disappearance of four men, Thursday, July 13, 2017 in Solebury, P

Antonio DiNardo the father of Cosmo DiNardo gets into a SUV to be driven away from a Bucks County government building Thursday, July 13, 2017, in Doyl

Fortunato Perri, a defense attorney for Cosmo DiNardo, walks to the Bucks County Courthouse in, Doylestown, Pa., Thursday, July 13, 2017. DiNardo adm

Defense lawyers Paul Lang, left, and Michael Parlow walk from the Bucks County Courthouse in, Doylestown, Pa., Thursday, July 13, 2017. Lang, a defens

Bucks County District Attorney Matthew Weintraub, center, holds a press conference Thursday, July 13, 2017, in New Hope, Pa., to announce that bodies

Bucks County District Attorney Matthew Weintraub, left at microphone, ends a press conference Thursday, July 13, 2017, in New Hope, Pa. Weintraub said

Bucks County District Attorney Matthew Weintraub, center, holds a press conference Thursday, July 13, 2017, in New Hope, Pa., to announce that bodies

Bucks County District Attorney Matthew Weintraub, center, holds a press conference Thursday, July 13, 2017, in New Hope, Pa., to announce that bodies

DOYLESTOWN, Pa. (AP) — The Latest on the investigation into the killings of four Pennsylvania men (all times local):

1:10 p.m.

A man who confessed to killing four Pennsylvania men who disappeared last week has been charged with four counts of homicide. And a second man has been accused of participating in three of the slayings.

Prosecutors filed the charges Friday against Cosmo DiNardo and Sean Kratz.

DiNardo's lawyer admitted Thursday his client's role in the four slayings. Kratz was arrested later the same day in Philadelphia.

DiNardo faces four criminal homicide counts and Kratz three. They both face multiple counts of conspiracy, robbery and abuse of corpse.

All four victims are believed buried on a farm property in Solebury, Pennsylvania, owned by DiNardo's family.

DiNardo's lawyer says his client is remorseful and led investigators to the men's remains.

Sean Kratz's mom, Vanessa, declined to comment on arrest of her son.

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1:30 a.m.

A person with firsthand knowledge of a drug dealer's confession to killing four young Pennsylvania men says the man killed them after he felt cheated or threatened during three drug transactions and then burned their bodies.

The person spoke to The Associated Press on condition of anonymity because he was not authorized to publicly discuss details of the case against 20-year-old Cosmo DiNardo.

The details were provided after one of DiNardo's lawyers said Thursday that DiNardo had confessed to killing the men and had told investigators where their bodies were. The lawyer says prosecutors agreed to take the death penalty off the table in return for DiNardo's cooperation.

The Bucks County District Attorney's Office had no response to the lawyer's comments Thursday night. Authorities are expected to release additional information Friday morning.