Police: Greeley man behind wheel of truck in 8-vehicle crash that killed 4
Excerpt: Police spokesman Calvin Dye Jr. says 53-year-old Mohamed Yussuf Jama of Greeley was driving the tractor-trailer when it crashed into vehicles that had slowed or stopped in a construction zone near Hamel on Nov. 21. ... Jama's 2016 Freightliner Cascadia slammed into cars on Interstate 55 with "no attempt to stop," Dye said. The cars were slowed or stopped in traffic, ahead of the truck. The semi ran over some vehicles.