COLORADO SPRINGS, Colo. (AP) — Colorado Springs police say they will not disclose why a gunman opened fire at a Planned Parenthood clinic, killing three people.

Police say in a statement Sunday that they are sealing the warrants related to the case against 57-year-old Robert Lewis Dear. They say they are not providing information on the weapon used in Friday's shooting, a timeline of events or a motive of the suspect.

That will continue to stoke speculation about what led to the shooting that killed a police officer and two other people. Dear is scheduled to make his first court appearance Monday afternoon.

A friend says one of the three people who died in a shooting at a Colorado Planned Parenthood clinic was an Iraq War veteran who had recently left the military.

Amburh Butler, who spoke on behalf of 29-year-old Ke'Arre  Stewart's family, says he was accompanying someone at the clinic when he was killed. She says he leaves behind two young daughters in Texas, where he grew up.

Butler says the Army stationed Ke'Arre at Fort Carson in Colorado Springs in 2013. She says he was discharged from the military last year.

She says he used to write her letters from Iraq that detailed the horrors of fighting on the front lines. She last spoke to him on Thursday, when he sounded upbeat to be spending Thanksgiving with friends.