Prosecutors in the deadly Colorado theater shootings said Friday that if suspect James Holmes is convicted, they will argue he should be executed because one of the victims was a child and because the attack was an ambush.

New questions are confronting the university that Colorado theater shooting suspect James Holmes attended amid disclosures that a psychiatrist warned campus police a month before the deadly assault that Holmes was dangerous and had homicidal thoughts.

Lawyers for Colorado theater shooting suspect James Holmes said Wednesday he would plead guilty and serve the rest of his life in prison to avoid the death penalty.

The defendant in the deadly Colorado theater shooting can be given "truth serum" to prove he's insane if he pleads not guilty by reason of insanity, the judge said Monday.

A judge ruled late Thursday that there's enough evidence for James Holmes to face trial on charges that he killed 12 people and injured 70 others in a Colorado movie theater last summer.

An elaborate booby trap system allegedly set up to pull police away from the Colorado theater shooting included improvised napalm and thermite, which burns so hot that water can't put out the blaze.

Four people, including an armed suspect, died during an hours-long police standoff Saturday at a Colorado townhome, authorities said.

Relatives of the majority of people killed in a Colorado movie theater rejected an invitation on Wednesday to attend its reopening this month, calling it a "disgusting offer" that came at a terrible time - right after the first Christmas without their loved ones.