Bryan Kohberger appeared expressionless as a judge asked if he murdered four Idaho college students in their off-campus home, answering “yes” to each name called out in the courtroom Wednesday.

Kohberger, who was a criminal justice graduate student at nearby Washington State University, admitted to the killings before entering a formal guilty plea.

Bryan Kohberger, accused of murdering four University of Idaho students, plead guilty in a Boise courtroom Wednesday.