Thornton police shot and killed a man who officials say fired at an officer near the Margaret Carpenter Recreation Center on Tuesday morning. A little before 8 a.m. Tuesday, a police officer tried to pull over a car driving erratically near the East 112th Avenue and Colorado Boulevard intersection in Thornton, according to a news release from the Thornton Police Department. The driver, an adult male, fled on foot, officials said. A different police officer found the man in a parking lot near the recreation center in the 11100 block of Colorado Boulevard, according to the department.