A western New York family is suing an upstate county after the coroner there took a piece of their son's body for use in a dog-training exercise.

Thirty-two-year-old Roger Dunn died last spring in an auto wreck in Cambria.

After the crash, Niagara County Coroner Russell Jackman gave some tissue from the crash scene to a volunteer fire chief, who was training a dog to sniff out human remains.

Both men later resigned and pleaded guilty to misdemeanors over their conduct. They also apologized.

The Buffalo News reports ( http://bit.ly/ZsqrdX) that Dunn's parents, Danny and Anita, filed a lawsuit this week against the county, the former coroner, the ex-chief and the Cambria Volunteer Fire Company.

County officials who investigated the mishandling of the remains had called it a well-intentioned mistake.

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Information from: The Buffalo News, http://www.buffalonews.com