The mother of a Georgia inmate killed during a fight in a prison cell has filed a federal lawsuit accusing prison officials of civil rights violations.

Damion MacClain died Dec. 26 at Hays State Prison in northwest Georgia. The lawsuit was filed Wednesday by RaHonda MacClain.

The suit alleges the inmates accused of killing her son were able to leave their cells in the middle of the night and assault her son because of a lack of supervision and broken cell door locks corrections officials had ignored.

MacClain was one of three inmates killed at Hays State in a five-week period in December and January. A fourth died in February immediately after being transferred to another prison.

The Department of Corrections didn't immediately respond to an after-hours email seeking comment.

Tags: lawsuit, Hays State Prison, inmate deaths