With a series of “yes” replies to a judge, a man accused of killing four Idaho college students pleaded guilty in exchange for life in prison and no death penalty. But left untold so far: What motivated Bryan Kohberger to commit the middle-of-the-night knife attacks and why those victims?

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.

Bryan Kohberger pleaded guilty to murder Wednesday in the brutal stabbing deaths of four University of Idaho students in 2022, avoiding the death penalty in exchange for multiple life sentences.