Local police are also growing frustrated with the actor.
Four students were killed and seven injured in the deadly attack.
He says he would never point a gun at anyone.
A scene examination will be carried out on Thursday.
"It went off and I ran out, we all ran out."
A new affidavit has been released as reports emerge of concerns about working conditions on the film set.
Here's what we know.
The family are grieving and ask for privacy.
The gunman shot five people before turning the gun on himself.