Vigils for Aurora shooting victims

Family members listen as the names of the 12 victims of the mass shooting at Century 16 movie theater are read aloud during a prayer vigil at the Aurora Municipal Center July 22, 2012 in Aurora, Colorado. Suspect James Holmes allegedly went on a shooting spree and killed 12 people and injured 58 during an early morning screening of "The Dark Knight Rises."

Credit: Aaron Ontiveroz-Pool/Denver Post via Getty Images