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

Prosecutors say the man charged in the stabbing deaths of four University of Idaho students​ bought a knife and sheath online in the months before the killings.

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.