Prosecutors say Bryan Kohberger’s Amazon click history shows him buying a knife similarly used in the Idaho murders.

Bryan Kohberger took a smiling selfie just a few hours after four University of Idaho students were stabbed to death inside their off-campus residence. The lead prosecutor said in a new filing that he plans to introduce the image during the accused killer's upcoming trial.

Attorneys working to present their case in the murder trial of Bryan Kohberger this summer are zeroing in on the timeframe before and after four University of Idaho students were slain in an ambitious effort to convince a judge to discard or allow certain evidence.