Why has Bryan Kohberger pleaded guilty?

Bryan Kohberger has admitted to hacking four University of Idaho students to death as they slept, pleading guilty to four counts of murder Wednesday in a deal that will spare him from death by firing squad. But, there is still no indication about why he committed the cold-blooded crime. LiveNOW's Andy Mac discusses Kohberger's sentencing for the death of four University of Idaho students with attorney Jacqueline Goodman.