DNA is likely to play a big role in the trial of Bryan Kohberger. Here’s what we know about each sample

In the case against Bryan Kohberger, the man accused of killing four University of Idaho students in November 2022, the prosecution’s most important piece of evidence is a DNA sample taken from a knife sheath left at the crime scene.

​ In the case against Bryan Kohberger, the man accused of killing four University of Idaho students in November 2022, the prosecution’s most important piece of evidence is a DNA sample taken from a knife sheath left at the crime scene. Read More Breaking News, Latest News and Videos | CNN