Richard Allen was transferred this week, documents showed. ABC7 Chicago is working to learn why.
Last year, a jury convicted Allen of killing Libby German and Abby Williams on a trail in 2017.
Allen was sentenced to 130 years in prison.
READ MORE | Delphi murders: Full cellphone video recorded by victim posted online; man convicted files appeal
Before the trial, Allen was moved due to safety concerns.
ABC7 has reached out to prison officials in