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A fireman is in trouble for surreptitiously putting his penis into the boss's coffee mug.
Fire Lieutenant Mark Tomczak admits putting his member in chief William Beres' cup.
He pulled the prank while he and other firemen were cleaning the station offices in West Allis, Milwaukee.
The incident, 10 years ago, came to light after Mr Beres' son began working as a fireman and heard the story.
Mr Beres, who has since retired, has demanded Lt Tomczak be disciplined despite the passage of time.
Lt Tomczak has been hauled before the Police and Fire Commission to hear evidence, reports the Milwaukee Journal Sentinel.
An investigation showed seven firefighters witnessed the incident.
Lt Tomczak's lawyer, Ray Dall'Osto, told the panel Lt Tomczak regrets his actions and confessed when questioned.
Mr Beres was chief of West Allis fire department from 1980-91. The hearings continue in August.
Story filed: 20:16 Wednesday 20th June 2001
ISP