Idaho authorities investigate apparent leaked jailhouse video showing convicted murderer Bryan Kohberger in his maximum security cell, calling it a policy violation.

The Idaho Department of Corrections tells TMZ ... "We are aware of the videos circulating online and are investigating the matter.

Investigators discovered that Kohberger’s photo roll contained shirtless selfies as well as downloaded images of women who were either fully nude or wearing bikinis, digital forensics expert Heather ...