DNA results confirmed that 38-year-old father Henrich Siemens was behind the wheel of the truck during the March 15 crash, not his 13-year-old son Ricky, the NTSB said — contrary to earlier statements by agency officials. “In addition to the DNA test results, NTSB post-crash toxicology tests revealed the presence of methamphetamine in the truck driver’s blood,” the agency said in its crash update report. DNA results confirmed that 38-year-old Henrich Siemens was behind the wheel of the truck.Agatha Siemens/FacebookRicky Siemens was not driving the truck.Agatha Siemens/Facebook Six of their eight teammates, their coach and the Siemenses died in the fiery crash in Andrews County, Texas. Both vehicles were traveling on Farm-to-Market Road 1788 when the truck crossed into the northbound lane and collided with the truck, which was bringing the University of the Southwest golf team to Hobbs, New Mexico, after a tournament. The crash killed college golfers Mauricio Sanchez, 19, Travis Garcia, 19, Jackson Zinn, 22, Carissa Raines, 21, Lachie Stone, 18, and Thiago Sousa, 18. Mauricio Sanchez, 19, Travis Garcia, 19, Jackson Zinn, 22, Karisa Raines, 21, Laci Stone, 18, and Tiago Sousa, 18, died in the crash.Southwestern University Their coach, Tyler James, who was driving the Ford truck, was also killed. The two other students in the truck, Dayton Price, 19, and Hayden Underhill, 20, were seriously injured. The two-lane road where the crash occurred has a speed limit of 75 mph, the NTSB said. The crash is still under investigation to determine the cause of the collision, the agency said.