From left, Tylecia Amos, 14, Shatyra Amos, 15, Michael Walker, 17, and Mykia Walker, 16, carry flowers to lay at a makeshift memorial across the street from the Century Theater parking lot, on Saturday, July 21, 2012 in Aurora, Colo. Twelve people were killed and dozens were injured in the attack early Friday at the packed theater during a showing of the Batman movie, 'Dark Knight Rises.' Police have identified the suspected shooter as James Holmes, 24. (AP Photo/Barry Gutierrez)