The defense lawyers for Idaho murders suspect Bryan Kohberger are optimistic that newly uncovered DNA evidence will help prove his innocence.

In the bed of one of the stabbing victims, police said they also found what many regard as the case's key piece of evidence: a leather sheath for a fixed-blade knife.

Defense attorneys for Idaho murders suspect Bryan Kohberger hope bombshell new evidence might exonerate him from charges of stabbing four college students to death. Kohberger, 30, is accused of murdering Kaylee Goncalves,

Prosecutors have not challenged these claims, suggesting that the evidence could play a major role in Kohberger's defense.