Police: Denver man murdered while on vacation in Washington, D.C.

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WASHINGTON -- Police investigators Wednesday were investigating the murder of a man from Denver in Washington, D.C.

Gary Diederichs, 66, was found lifeless in an alley a few blocks from Sherman Circle in northwest D.C. Police say he was on vacation.

He had head injuries and was pronounced dead shortly after he was found.

Dederichs was a registered user of the travel website airbnb.com. It helps travelers find low-cost lodging with people who are willing to host them, usually in their homes.

Police found him not too far from where he was staying. They say robbery might be a motive.

Dederichs' profile shows he used the service at lest three times. He described himself as a 'neat, quiet, retired gentleman."

Dederichs worked as a nurse at Swedish Medical Center in Englewood. He lived near the University of Denver.

The Metropolitan Police Department has asked the public for help in the murder case. It offers a reward of up to $25,000 to anyone who provides information which leads to the arrest and conviction of a suspect wanted for any homicide committed in D.C.

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