A man serving life behind bars for the killing of his parents and two others in Bowdoin has died in prison.

Joseph Eaton was sentenced for the killing of his parents, David and Cynthia Eaton, and their two friends, Patricia and Robert Eger, at the Egers’ home in Bowdoin in April of 2023.

After the killings, Eaton randomly fired shots at cars on I-295 in Yarmouth.

The Maine Department of Corrections says Eaton died Tuesday morning in a Massachusetts facility, where he was being held as part of the Interstate Corrections Compact.

Massachusetts State Police are investigating the death.