Key information about the Idaho murder suspect will be released following his extradition. Here's what might happen next, experts say.

Pennsylvania authorities announced on Tuesday that the man accused of killing four University of Idaho students would be extradited to Idaho, marking the start of legal proceedings against the suspect after more than a month-long investigation.

The suspect appeared at the Monroe County Courthouse in Stroudsburg, Pennsylvania, on Tuesday, where he waived his extradition rights. Within 10 days, he will be moved to Idaho, where he will make another court appearance — and where critical information about the suspect and the killings could be released, experts told Insider.

"He likely waived it because he...