KSL TV SALT LAKE CITY — A Cottonwood Heights man accused of causing a head-on crash that killed a 19-year-old woman said he was trying to end his own life by purposely driving the wrong way on the freeway, according to prosecutors. Justin Wayne Robertson, 35, was charged Friday in 3rd District Court with murder, a first-degree felony, for the death of Gwendolyn Doner on April 19. He was also charged with 11 other crimes. On April 19, Robertson entered I-215 at 6200 South in his Chevy Avalanche going the wrong way. At the interchange from I-215 to southbound I-15 in Murray, after already driving the wrong way for approximately six miles, he hit Doner's Ford Taurus head-on, according to charging documents.