By: Associated Press (AP), The Associated Press (AP)
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Timeline for suspected Colorado theater gunman James Eagan Holmes:

Dec. 13, 1987: Born in San Diego County, Calif. Parents: Robert Milton Holmes and Arlene Rosemary Holmes.

2006: Graduated from Westview High School, Class of 2006, according to Dr. John Collins, Superintendent of the Poway Unified School District.

2006 - 2010: Attended the University of California, Riverside, graduated with a BS in neuroscience in spring 2010. Chancellor Timothy P. White said Holmes graduated with honors.

2011: Holmes enrolled in the Ph.D. neuroscience program at the University of Colorado-Denver, said spokeswoman Jacque Montgomery.

May 2011: An address of 1690 Paris Street, Aurora, Colo., for James Holmes shows up in public records searches.

July 20, 2012: Montgomery said Holmes "was in the process of withdrawing" from graduate school. The school said in a statement later that Holmes had been a student there until early June 2012.

July 20, 2012: The suspect identified as Holmes opens fire in a crowded movie theater.