Man sentenced over crash that killed his girlfriend and brother's pregnant partner March 26, 2013 - 8:01AM Nicole Sims with Jess Cahill just 16 days before both were killed. Photo: Rockhampton Morning Bulletin A man who killed his girlfriend and her pregnant sister-in-law when he fell asleep while driving as a teenager has been sentenced to four years in jail. Justin Colthup, 21, cried in Rockhampton District Court as he pleaded guilty to one count of dangerous operation of a vehicle causing death and grievous bodily harm after he fell asleep at the wheel on August 15, 2011 near Miriam Vale in central Queensland. He was 19 at the time and his girlfriend, Nicole Sims, 16, was riding in the front seat of the car when she was killed instantly while her brother's pregnant girlfriend Jessica Cahill died shortly after the accident. Crown prosecutor Joshua Phillips told the court the accident resulted from Colthup's lack of sleep, having only slept three hours the night before and said speed and alcohol were not factors. Judge Patricia Wolfe sentenced Colthup to four years in jail. Read more at the Rockhampton Morning Bulletin