Eyewitness Jacob Stevens, 18, hugs his mother Tammi Stevens after being interview by police outside Gateway High School where witnesses were brought for questioning Friday, July 20, 2012 in Aurora, Colo. A gunman wearing a gas mask set off an unknown gas and fired into the crowded movie theater killing 12 people and injuring at least 50 others, authorities said. (AP Photo/The Denver Post, RJ Sangosti) TV, INTERNET AND MAGAZINES CALL FOR RATES AND TERMS

People gather outside the Century 16 movie theatre in Aurora, Colo., at the scene of a mass shooting early Friday morning, July 20, 2012. Police Chief Dan Oates says 14 people are dead following the shooting at the suburban Denver movie theater. He says 50 others were injured when gunfire erupted early Friday at the Aurora theater. Oates says a gunman appeared at the front of one of the Century 16 theaters. (AP Photo/The Denver Post, Karl Gehring)

An Aurora Police Department detective takes a witness statement following a shooting Friday morning July 20, 2012. Aurora Police responded to the Century 16 movie theatre early Friday morning where police confirm at least 14 people are dead and 50 others injured. (AP Photo/Karl Gehring, The Denver Post)

Map locates Aurora, Colorado, where a gunman opened fire at a movie theater killing at least 14 people.

Police officers took witness statements outside a move theatre in Aurora, Colorado following an early morning shooting. Aurora Police responded to the Century 16 movie theatre early Friday morning, July 20, 2012. Scanner traffic indicates that dozens of people were hurt in an incident inside the theatre. (AP Photo/Karl Gehring/The Denver Post)

Police are pictured outside of a Century 16 movie theatre where as many as 14 people were killed and many injured at a shooting during the showing of a movie at the in Aurora, Colo., Friday, July 20, 2012. (AP Photo/Ed Andrieski)

Aurora Police Chief Daniel Oates talks to media at Aurora Mall where as many as 14 people were killed and many injured at a shooting at the Century 16 movie theatre in Aurora, Colo., Friday, July 20, 2012. (AP Photo/Ed Andrieski)

Police are pictured outside of a Century 16 movie theatre where as many as 14 people were killed and many injured at a shooting during the showing of a movie at the in Aurora, Colo., Friday, July 20, 2012. (AP Photo/Ed Andrieski)

Police are pictured outside of a Century 16 movie theatre where as many as 14 people were killed and many injured at a shooting during the showing of a movie at the in Aurora, Colo., Friday, July 20, 2012. (AP Photo/Ed Andrieski)

Aurora Police Chief Daniel Oates talks to media at the Aurora Mall where as many as 14 people were killed and many injured at a shooting at the Century 16 movie theatre in Aurora, Colo., Friday, July 20, 2012. (AP Photo/Ed Andrieski)

Jacob Stevens, 18, hugs his mother Tammi Stevens after being interview by police outside Gateway High School where witness were brought for questioning after a shooting at a movie theater, Friday, July 20, 2012 in Denver. A gunman wearing a gas mask set off an unknown gas and fired into a crowded movie theater at a midnight opening of the Batman movie "The Dark Knight Rises," killing at least 12 people and injuring at least 50 others, authorities said. (AP Photo/Barry Gutierrez)

Judy Goos, center left, hugs her daughter's friend, Isaiah Bow, 20, while eyewitnesses Emma Goos, 19, left, and Terrell Wallin, 20, right, gather outside Gateway High School where witnesses were brought for questioning Friday, July 20, 2012, in Aurora, Colo. A gunman wearing a gas mask set off an unknown gas and fired into a crowded movie theater at a midnight opening of the Batman movie "The Dark Knight Rises," killing at least 12 people and injuring at least 50 others, authorities said. (AP Photo/Barry Gutierrez)

Shamecca Davis hugs her son Isaiah Bow, who was an eye witness to the shooting, outside Gateway High School where witness were brought for questioning Friday, July 20, 2012 in Denver. After leaving the theater Bow went back in to find his girlfriend. " I didn't want to leave her in there. But she's ok now," Bow said. A gunman wearing a gas mask set off an unknown gas and fired into a crowded movie theater at a midnight opening of the Batman movie "The Dark Knight Rises," killing at least 12 people and injuring at least 50 others, authorities said. (AP Photo/Barry Gutierrez)

This video image taken from ABC via AP video shows an aerial view of the Century 16 movie theater in Aurora, Colo., where a gunman wearing a gas mask set off an unknown gas and fired into the crowded movie theater at a midnight opening of the Batman movie "The Dark Knight Rises," killing at least 12 people and injuring at least 50 others, authorities said. (AP Photo/ABC via AP Video) NORTH AMERICA OUT; INTERNET OUT; ONLINE OUT

People use mobile devices as they wait outside Gateway High School where witnesses were brought for questioning after a shooting at a movie theater showing the Batman movie "The Dark Knight Rises," Friday, July 20, 2012 in Aurora, Colo. A gunman wearing a gas mask set off an unknown gas and fired into the crowded movie theater killing 12 people and injuring at least 50 others, authorities said. (AP Photo/Barry Gutierrez)

Eyewitness Chandler Brannon, 25, sits outside Gateway High School where witnesses were brought for questioning after a shooting at a movie theater showing the Batman movie "The Dark Knight Rises," Friday, July 20, 2012 in Aurora. A gunman wearing a gas mask set off an unknown gas and fired into the crowded movie theater killing 12 people and injuring at least 50 others, authorities said. (AP Photo/Barry Gutierrez)

This photo provided by the University of Colorado shows James Holmes. University spokeswoman Jacque Montgomery says 24-year-old Holmes, who police say is the suspect in a mass shooting at a Colorado movie theater, was studying neuroscience in a Ph.D. program at the University of Colorado-Denver graduate school. Holmes is suspected of shooting into a crowd at a movie theater killing at least 12 people and injuring dozens more, authorities said. (AP Photo/University of Colorado)

Investigators look over evidence on ground outside the back door of the Century 16 movie theater east of the Aurora Mall in Aurora, Colo. on Friday, July 20, 2012. A gunman in a gas mask barged into a crowded Denver-area theater during a midnight showing of the Batman movie on Friday, hurled a gas canister and then opened fire in one of the deadliest mass shootings in recent U.S. history. (AP Photo/David Zalubowski)

Yellow markers sit next to evidence, including a gas mask, as police investigate the scene outside the Century 16 movie theater east of the Aurora Mall in Aurora, Colo. on Friday, July 20, 2012. A gunman in a gas mask barged into a crowded Denver-area theater during a midnight showing of the Batman movie on Friday, hurled a gas canister and then opened fire in one of the deadliest mass shootings in recent U.S. history. (AP Photo/David Zalubowski)

A stretcher is wheeled out of the Century 16 theatre and placed in a waiting van east of the Aurora Mall in Aurora, Colo., on Friday, July 20, 2012. Authorities report that 12 died and more than three dozen people were shot during an assault at the theatre during a midnight premiere of "The Dark Knight." (AP Photo/David Zalubowski)