The man who did his doctorate on what goes on in the minds of murderers and now probably stabbed four students to death in their sleep

Bryan Kohberger is asking the judge for more time to determine whether he will use a formal alibi in his case. The 28-year-old man is accused of stabbing four American university students to death in their sleep last year. Striking: he himself studied criminology at the University of Washington. His PhD was about what goes on in the minds of killers.

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