The driver who allegedly caused a fiery crash that killed four people in Thornton in October has died from his injuries, bringing an end to the criminal investigation, police officials said Wednesday. The crash occurred at around 7:30 p.m. Oct. 26 when a Ford SUV carrying two adults and two children was stopped at a red light at Washington Street and Thornton Parkway. A Subaru sedan driver speeding on northbound Washington crashed into the back of the SUV, causing the gas tank to rupture and igniting the SUV. Related Articles Crime and Public Safety | Colorado on track to see deadliest year for police shootings since 2020, data shows Crime and Public Safety | Fatal Thornton crash, car fire caused by speeding driver, rear-end collision, police say Crime and Public Safety | Man dies after exchanging gunfire with Thornton police, injuring 2 officers Crime and Public Safety | Thornton police looking for missing 16-year-old boy Crime and Public Safety | Colorado man who posed as children’s life coach sentenced for sexually assaulting a 12-year-old The two adults and children were killed in the fire and pronounced dead at the scene, while the Subaru driver was taken to the hospital with serious injuries. He died from his injuries on Nov.