If he had been convicted at trial, Kohberger could have faced execution by firing squad. That capital punishment method is newly legal in Idaho because of the ongoing nationwide shortage of the lethal injection drugs, as major pharmaceutical suppliers have withdrawn from the capital punishment market.

NBC News' Gadi Schwartz presents a timeline following how Bryan Kohberger went from criminology student to killer. Kohberger pleaded guilty at an Idaho court to homicide charges as well as one count of burglary after he stabbed four university students at their home near the Washington border.