CENTENNIAL, Colo. (AP) — The officers struggled to hold back the tears as they recalled the Colorado theater shooting: discovering a 6- year-old girl without a pulse, trying to keep a wounded man from jumping out of a moving police car to go back for his 7-year-old daughter, screaming at a gunshot victim not to die.

“After I saw what I saw in the theater — horrific — I didn’t want anyone else to die,” said Officer Justin Grizzle, who ferried the wounded to the hospital.

A bearded, disheveled James Holmes, the man accused of going on the deadly rampage, didn’t appear to show any emotion as Grizzle and the other officers testified Monday in a packed courtroom as survivors and families of those who died watched quietly. At one point, a woman buried her head in her hands when an officer recalled finding the 6-year-old girl.

“He’s heartless. He really is. He has no emotion. He has no feeling. I don’t know anybody can live that way,” Sam Soudani said of the gunman afterward. His 23-year-old daughter survived after being hit by shrapnel from an explosive device at the theater.

On the first day of a hearing that will determine whether there’s enough evidence to put Holmes on trial, the testimony brought back the raw emotions from the days following the July 20 attack at the suburban Denver theater that left 12 people dead and dozens wounded.

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