Colorado Shooting Victims Memorial

Marietta Perkins prays during a vigil for victims behind the theater where a gunman opened fire on moviegoers in Aurora, Colorado July 20, 2012.

A view of the memorial site for the victims is seen behind the theater where a gunman opened fire on moviegoers in Aurora, Colorado July 21, 2012.

Isaac Pacheco leaves a birthday card for his friend Alex Sullivan, who was killed Denver-area movie killings, at a memorial site for victims behind the theater where a gunman opened fire on moviegoers in Aurora, Colorado July 21, 2012.

Isaac Pacheco (C) is comforted after leaving a birthday card for his friend Alex Sullivan, who was killed in the Denver-area movie killings, at a memorial site for victims behind the theater where a gunman opened fire on moviegoers in Aurora, Colorado Jul

People grieve during a vigil for victims behind the theater where a gunman opened fire on moviegoers in Aurora, Colorado July 20, 2012.

People grieve during a vigil for victims behind the theater where a gunman opened fire on moviegoers in Aurora, Colorado July 20, 2012.

People embrace before a vigil for victims behind the theater where a gunman opened fire on moviegoers in Aurora, Colorado July 20, 2012.

A memorial of flowers is set up for victims on a hillside behind the theater where a gunman opened fire on moviegoers in Aurora, Colorado July 21, 2012.