James Holmes appears in court to be formally sentenced, Tuesday, Aug. 25, 2015. Victims and their families were given the opportunity to speak about the shooting and its effects on their lives. The formal sentencing began Monday at Arapahoe County District Court in Centennial. (RJ Sangosti/The Denver Post via AP, Pool)

Colorado theater shooter’s mother says son is remorseful

Standing at a lectern, she told Judge Carlos A. Samour Jr. that she has been researching mental illness and ways to prevent mass violence.