Idaho College Murders

The suspect, Bryan Kohberger, was arrested weeks after the quadruple homicide.

The murder weapon in the quadruple killings has not been found, authorities say.

They want cameras prohibited "at a minimum" for sensitive witness testimony.

"Often he would go for drives at night" and "did so" that night, his lawyer said

There could be "evidence corroborating" he was elsewhere, a new filing says.