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'Blunt and thermal trauma' killed 'Jackass' star, coroner says

By Alan Duke, CNN
"Jackass" star Ryan Dunn was one of two people killed in a car wreck in Pennsylvania on Monday.
"Jackass" star Ryan Dunn was one of two people killed in a car wreck in Pennsylvania on Monday.
  • NEW: Dunn's car was going faster than 100 mph, police say
  • Zachary Hartwell, 30, died in the crash with Dunn, police say
  • Hartwell worked as a stunt driver in a Dunn movie
  • Dunn's blood alcohol level will not be known for weeks

(CNN) -- "Jackass" star Ryan Dunn and a passenger in his car died of "blunt and thermal trauma" when the 2007 Porsche 911 GT3 crashed and caught fire on a Pennsylvania highway early Monday, according to the autopsy report released Tuesday.

Police identified Ryan's passenger as Zachary Hartwell, a 30-year-old West Chester, Pennsylvania, man who once worked in one of Ryan's movies.

West Goshen, Pennsylvania, Police Sgt. Joe Burt confirmed that accident investigators estimated Dunn's car was going faster than 100 mph.

Toxicology results, which should show if Dunn was intoxicated, will not be available for several weeks, according to the Chester County coroner's office.

The red-bearded Dunn, 34, was famous for his pranks and dangerous stunts on the show, which evolved into a successful film franchise.

Hartwell worked as a stunt car driver on "Minghads," a 2009 comedy directed by "Jackass" star Bam Margera and featuring Dunn, according to the Internet Movie Database.

West Goshen, Police were called to the wreck scene on State Route 322 at 2:30 a.m. Monday, the police report said.

"Upon arrival, police located one vehicle off the road and in the woods that was fully engulfed in flames," the report said.

"Speed may have been a contributing factor to the accident," police said, although the investigation is in its preliminary stages.

Dunn was driving the Porsche, which was registered in his name, police said.

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A photo of Dunn was posted on his Twitter account about two hours before the wreck showing him with a drink in his hand. Two men sitting with Dunn in the photo are not identified.

The manager of Barnaby's in West Chester confirmed that the photo was taken in his bar Sunday night. The bar is about a mile away from where Dunn was killed in a car crash. Manager Jim O'Brien confirmed that Dunn was drinking there.

"He didn't seem to be intoxicated at the time he left," O'Brien said. "Ryan was not a hardcore drinker, at least not when he was here."

O'Brien said Dunn was a regular customer and well known to his staff.

"He was a valuable person in our community and his death is a tragedy," O'Brien said. "He will be missed."

MTV issued a short statement through its Twitter account Monday morning: "We're deeply saddened by the passing of a member of the MTV family, Ryan Dunn. Our hearts and thoughts are with his friends and family."

"Jackass" star Johnny Knoxville tweeted his message Monday morning: "Today I lost my brother Ryan Dunn. My heart goes out to his family and his beloved Angie. RIP Ryan, I love you buddy."

Dunn teamed up with "Jackass" co-star Steve-O for an episode of the NBC game show "Minute to Win It" that aired on June 8.

He also hosted "Proving Ground," which premiered on the G4 channel on June 14.