Mary Englebert, 21, killed, and Richard Garza injured in collision with semi truck on Interstate 25 near Pueblo, Colorado

Mary Englebert, of Sachse, Texas, died while riding as a passenger in an F-150 Authorities suspect inattentive driving led a two-vehicle Interstate 25 crash south of Pueblo on Wednesday that left a 21-year-old Texas woman dead. Mary Englebert, of Sachse, Texas, was riding as a passenger in a Ford F-150 pickup truck when she died in a collision with a semi-trailer. "After impact, the Ford continued southbound on Interstate 25, rotating clockwise and came to rest in the left hand lane facing west," authorities say. The Colorado State Patrol says the pickup, driven by 25-year-old Richard Garza of San Antonio, Texas, hit the semi-trailer about 20 miles south of Pueblo. Investigators say both vehicles were heading southbound on the interstate when the Ford's right front section impacted the left rear of the semi-trailer.