ABC News sat down with Idaho State Police Lt. Darren Gilbertson, the lead detective in the Idaho murders case, after Bryan Kohberger was put behind bars for life.

After eight years as chief and nearly 29 years overall with the city police department, Fry retired from his post in May 2024. His decision came about a year and a half after the arrest of Bryan Kohberger, who stabbed the four college students to death for reasons detectives said they still don’t know.

The legal saga against the man who murdered four University of Idaho students may have ended Wednesday, when he was sentenced to life in prison without parole. But new details about the case are still emerging,

Bryan Kohberger was sentenced to life in prison for killing Madison Mogen, Kaylee Goncalves, Xana Kernodle and Ethan Chapin. Will we ever know his motive?

The convicted murderer appears gaunt and expressionless in the photo, taken as he begins to serve out multiple life sentences for the murders of four University of Idaho students: Xana Kernodle, 20; Ethan Chapin, 20; Madison Mogen, 21; and Kaylee Goncalves, 21.

Kaylee Goncalves' sister delivers scathing statement to Bryan Kohberger as the Idaho murderer receives four consecutive life sentences without parole

Alivea Goncalves, the older sister of the late Kaylee Gonclaves, spoke to him during the hearing, as he sat stoically in an orange jumpsuit.

The family of Kaylee Goncalves, one of the four University of Idaho students killed by Bryan Kohberger in 2022, railed against him as a “joke,” a “loser,” and “as dumb as they come” in a day of searing victim impact statements.