Key events in path to trial for Colorado theater shooter

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Insanity Defense for James Holmes Is a Long Shot
CENTENNIAL, Colo. (AP) - Key dates in the life of James Holmes, on trial in the 2012 Colorado theater shooting:

Dec. 13, 1987 - Holmes is born in San Diego County, California, to Robert and Arlene Holmes.

2006 - Graduates from Westview High School in San Diego.

2010 - Graduates from the University of California, Riverside, with a B.S. in neuroscience.

2011 - Holmes enrolls in the Ph.D. neuroscience program at the University of Colorado's Anschutz Medical Campus in the Denver suburb of Aurora.

May 10, 2012 - Orders tear gas canisters online, according to prosecutors. Over the next few weeks, he also buys two handguns, a shotgun, an assault rifle, 6,295 rounds of ammunition and body armor, either in person or online, prosecutors say.

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James Holmes Aurora 'Dark Knight' shooting & pre-trial
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Key events in path to trial for Colorado theater shooter
Crime scene tape surrounds the Century 16 movie theater where 12 people were killed in a shooting rampage last Friday, on July 23, 2012 in Aurora, Colorado. Suspect James Holmes, 24, allegedly went on a shooting spree and killed 12 people and injured 58 during an early morning screening of 'The Dark Knight Rises.' (Photo by Kevork Djansezian/Getty Images)
Aurora police top brass commander Jack Daluz (R), Roger Cloyd (C) and division chief Kevin Flynn visit the makeshift memorial across the street from the Century 16 movie theater on July 25, 2012 in Aurora, Colorado. Twenty-four-year-old James Holmes is suspected of killing 12 and injuring 58 others on July 20 during a shooting rampage at a screening of 'The Dark Knight Rises' in Aurora, Colorado. (Photo by Kevork Djansezian/Getty Images)
Seen from the air, blood-stained footprints dot the back of the Century 16 movie theatre where suspect James Holmes went on a shooting rampage during an early morning screening of the new Batman movie, 'The Dark Knight Rises' on July 21, 2012 in Aurora, outside of Denver, Colorado. According to reports, 12 people have been killed and over 59 injured including 9 in critical condition . Police have the suspect, twenty-four year old James Holmes of North Aurora, in custody. (Photo by Kevork Djansezian/Getty Images)
AURORA, CO - JULY 21: Seen from the air, police continue to investigate outside the Century 16 movie theatre where suspect James Holmes went on a shooting rampage during an early morning screening of the new Batman movie, 'The Dark Knight Rises' on July 21, 2012 in Aurora, outside of Denver, Colorado. According to reports, 12 people have been killed and over 59 injured including 9 in critical condition . Police have the suspect, twenty-four year old James Holmes of North Aurora, in custody. (Photo by Kevork Djansezian/Getty Images)
AURORA, CO - JULY 21: Law enforcement officials tow nearby cars as they prepare to disarm the booby-trapped apartment of suspect James Holmes after he went on a shooting rampage at nearby Century 16 movie theatre during an early morning screening of the new Batman movie, 'The Dark Knight Rises' on July 21, 2012 in Aurora, outside of Denver, Colorado. According to reports, 12 people have been killed and over 59 injured. Police have the suspect, twenty-four year old James Holmes of North Aurora, in custody and are now dealing with various devices and trip wires in the apartment. (Photo by Chris Schneider/Getty Images)
Law enforcement officials carry buckets from the apartment of James Holmes, the suspect in the Century 16 movie theatre shooting, on July 21, 2012 in Aurora, Colorado. According to reports, 12 people have been killed and over 59 injured including 9 in critical condition. Police have the suspect, twenty-four year old James Holmes of North Aurora, in custody. (Photo by Chris Schneider/Getty Images)
Police break the window of the apartment of of James Holmes, the suspect of a shooting in a movie theater July 20, 2012 in Aurora, outside of Denver, Colorado. According to reports, 12 people have been killed and 59 wounded when James allegedly opened fire inside the a movie theater showing the 'The Dark Knight Rises.' Police have James, 24, of Holmes of North Aurora, in custody. (Photo by Thomas Cooper/Getty Images)
AURORA, CO - JULY 20: The Century 16 movie theatre is seen where a gunmen attacked movie goers during an early morning screening of the new Batman movie, 'The Dark Knight Rises' July 20, 2012 in Aurora, Colorado. According to reports, 12 people have been killed and over 59 injured. Police have the suspect, twenty-four year old James Holmes of North Aurora, in custody. (Photo by Thomas Cooper/Getty Images)
Law enforcement officers prepare to disarm the booby-trapped apartment of suspect James Holmes after he went on a shooting rampage at nearby Century 16 movie theatre during an early morning screening of the new Batman movie, 'The Dark Knight Rises' on July 21, 2012 in Aurora, outside of Denver, Colorado. According to reports, 12 people have been killed and over 59 injured. Police have the suspect, twenty-four year old James Holmes of North Aurora, in custody and are now dealing with various devices and trip wires in the apartment. (Photo by Chris Schneider/Getty Images)
Arlene (L) and Robert Holmes, the parents of Aurora theater shooting suspect James Holmes, arrive at the court house after a midday recess during a hearing in the Arapahoe County Justice Center on April 1, 2013 in Centennial, Colorado. It was announced that District Attorney George Brauchler will seek the death penalty for suspect James Holmes who is charged with 166 counts of murder, attempted murder and other crimes in the Aurora theater shooting on July 20, 2012. (Photo by Doug Pensinger/Getty Images)
(R), the parents of Aurora theater shooting suspect James Holmes, arrive at the courtroom for a hearing in the Arapahoe County Justice Center on April 1, 2013 in Centennial, Colorado. Prosecutors have said they will seek the death penalty for suspect James Holmes, who is charged with 166 counts of murder, attempted murder and other crimes in the Aurora theater shooting on July 20, 2012. (Photo by Doug Pensinger/Getty Images)
CENTENNIAL, CO - SEPTEMBER 20: In this photo provided by the Arapahoe County Sheriff's Office, James Holmes poses for a booking photo September 20, 2012 in Centennial, Colorado. Holmes is charged with 24 counts of murder and 116 counts of attempted murder in the July 20, shooting rampage at an opening night screening of 'The Dark Knight Rises' in Aurora, Colorado. (Photo by Arapahoe County Sheriff's Office via Getty Images)
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June 10, 2012 - Files paperwork to withdraw from the neuroscience program but doesn't say why.

June 11, 2012 - Meets with his psychiatrist, Lynne Fenton of the University of Colorado. Fenton tells a campus police officer Holmes has made homicidal statements and sent her threatening text messages.

July 20, 2012 - Holmes slips through a back door of the Century 16 theater in Aurora, where about 420 people are watching a midnight showing of a Batman movie, "The Dark Knight Rises," and opens fire. Ten people die at the scene, two die at hospitals, and 70 are injured. Officers find Holmes leaning against his car behind the theater and arrest him without a struggle. Later, police find booby-trapped bombs and a Batman mask at Holmes' apartment. The bombs are defused.

July 23, 2012 - Holmes makes his first court appearance, his hair dyed orange-red, face unshaven, eyes appearing dazed.

Oct. 11, 2012 - Prosecutors finalize the charges against Holmes: 24 counts of murder and 140 counts of attempted murder, two counts for each person killed and two for each person injured. He's also charged with possession of explosives and committing a crime of violence.

Nov. 15, 2012 - Holmes is taken to a hospital psychiatric ward and held for several days, sometimes in restraints, because he was "in immediate need of a psychiatric evaluation," according to his attorneys.

Jan. 10, 2013 - The judge rules the evidence is sufficient to put Holmes on trial.

March 27, 2013 - Holmes' attorneys say he's willing to plead guilty in exchange for avoiding the death penalty. Prosecutors later reject the plea offer, saying it isn't genuine and that Holmes is sane.

April 1, 2013 - Prosecutors say they'll seek the death penalty.

May 13, 2013 - Defense lawyers tell the judge Holmes wants to plead not guilty by reason of insanity.

June 4, 2013 - The judge accepts Holmes' insanity plea and orders Holmes to undergo a mental evaluation.

July 10, 2013 - Holmes' lawyers acknowledge he was the shooter but say he was "in the throes of a psychotic episode."

Nov. 7, 2014 - The judge says he'll issue 9,000 jury summonses, believed to be the largest number ever for a U.S. trial.

Jan. 20, 2015 - Jury selection begins.

April 14, 2015 - Twelve jurors and 12 alternates are chosen to hear the case.

April 27, 2015 - Prosecutors and defense lawyers are scheduled to make their opening statements.

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