Police are looking into a video that seemingly shows Bryan Kohberger, who was convicted of murdering four University of Idaho students, in his jail cell.

Chilling new leaked footage appears to show convicted University of Idaho killer Bryan Kohberger with red hands pacing his concrete cell — prompting the maximum security prison where he’s locked up to probe the video’s source.

A chilling leaked video shows Idaho killer Bryan Kohberger pacing in his prison cell with red hands, sparking a probe security breach.

After an in-depth investigation, FBI agents found the woman was uninvolved in the crime, and Sickinger had assumed her identity without her knowledge.

Nathanael West sent letters from prison that contained “graphic descriptions” of how he would assault, kidnap and kill the two men.