The files included social media posts and journal entries in which Albers, a high school junior, appeared to be struggling with mental health issues.
Dashcam videos and a neighbor's security camera showed Jenison and another officer arriving at the home. They stayed for a few minutes outside and did not knock on the front door or identify themselves. Eventually, the garage door of the home swung open, and Jenison unholstered his weapon and moved toward the door as a minivan, which Albers was driving, began to back out slowly and in a straight line.
In an interview with investigators following the shooting, Jenison said that he had taken cover outside of the home because he didn't know if Albers would"self-harm or if he also has homicidal tendencies." NBC News reached out to Jenison and the Johnson County District Attorney's Office for comment following the Department of Justice's decision in the case.
"The federal criminal investigation found no substantial evidence inconsistent with that conclusion," the Department of Justice said.
Human error... it's real