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Mark Collman Age 21
Reported Missing April 3, 1979
Yorkville, Illinois Kendall County
Listed Endangered Missing
Mark was living in his dad's basement at the time he disappeared. He was employed at the Model Box factory off Route 47 and Cannonball Road in Yorkville working second shift 3:00 P.M. - 11:00 P.M. Mark's boss had called his parents stating Mark had not shown up for work. His father however did work for the same company, and it was said that Mark had a fight with his father the day before he vanished.