An attack at a Fort Collins park ends in an arrest and a lockdown at Laurel Elementary School. Officers arrived at a Locust St. location, finding the victim, stabbed. The victim was taken to an area hospital with life-threatening injuries. Roger Brown, 66, was arrested on suspicion of attempted second-degree murder. He was booked into the Larimer County Detention Center. Due to its proximity to the park, Laurel Elementary was locked out for a time.