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Whitney Heichel affidavit alleges Jonathan Holt admitted sexually assaulting, shooting Ore. barista

Whitney Heichel Personal photo

(CBS) OREGON CITY, Ore. - Jonathan Holt, the man accused of killing 21-year-old barista Whitney Heichel, told police that on the morning she disappeared on her way to work at a nearby Starbucks, he waited outside her apartment and asked her for a ride, according to court documents.

Pictures: Body of missing Oregon barista found

A probable cause affidavit reveals that Holt, 24, allegedly confessed to an Oregon State policeman that about five minutes after getting into Heichel's car on Oct. 16, he pulled a gun on her, had her drive to a nearby area called Roslyn Lake, forced her to perform oral sex on him, and then shot her.

According to the affidavit, Holt admitted that he then disposed of Heichel's cell phone and dumped her body on Larch Mountain.

Over the weekend, a medical examiner determined that Heichel, whose body was found on Oct. 19, died of multiple gunshot wounds. The affidavit also reports that according to the Oregon State Crime Lab, swabs taken from the steering wheel of Heichel's car "reveals a male DNA profile that is consistent with the DNA profile of Mr. Holt."

Holt, who authorities have described as being an acquaintance of Heichel's, was arraigned on seven charges of aggravated murder on Monday, Oct. 22. He is being held without bail in the Clackamas County Jail and is expected to be back in court on Friday.

Complete coverage of Whitney Heichel on Crimesider