DENVER (AP) -- The Denver Coroner's office says a man whose friends are accused of driving him around while he was dead and running up a high bar tab on his account had died of mixed drug intoxication.

Officials said Friday the manner of death of 43-year-old Jeffrey Jarrett was accidental. Prosecutors filed criminal charges, including one of abusing a corpose, against 43-year-old Robert Young and 25-year-old Mark Rubinson.

Young testified Thursday that he thought Jarrett was drunk, not deceased.

Authorities allege that Young went to Jarrett's home and found him unresponsive but that instead of calling police Young and Rubinson put him in a car and went drinking. Police say the two men used Jarrett's card to pay for the drinks on Aug. 27.

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Previous Coverage: Suspect In 'Weekend At Bernie's' Case Due In Court

A man accused of driving around Denver with a dead friend, running up a bar tab on his account and using his ATM card at a strip club is due in court.

Authorities say 43-year-old Robert Young is facing charges including abusing a corpse and identity theft during his arraignment Thursday in Denver District Court.

Young and 25-year-old Mark Rubinson are accused of loading his body into a car, hitting a bar in Denver, then another bar in Aurora, before taking Jarrett home.

The pair then ended their night at Shotgun Willie's in Glendale, allegedly took $400 out of Jarrett's account.

Published reports say Young and Rubinson now face charges of abusing a corpse, identity theft and criminal impersonation.

"I'm horrified, I'm absolutely, I can't even put into words, I can't imagine anybody thinking that maybe their friend is in trouble and not calling 911," a horrified relative of Jarrett's said. The relative accused Young, Jarrett's roommate, of neglecting to call for help when he found Jarrett dead in their home.

Instead, it was only on the way home that the duo reportedly flagged down a Glendale police officer and told him about the body at home.

Family members--who describe Jarrett as a loving father, graduate of Colorado State University, and a hockey player--say the treatment his body was given is something they are struggling with.

"I'm horrified, I'm absolutely, I can’t even put in to words, I can’t imagine anybody thinking that maybe their friend is in trouble and not calling 911,” said a relative.

Jarrett's family says that while they will continue to mourn his loss, they hope for justice in this case.

Rubinson and Young aren't charged in Jarrett's death.