In a letter Saturday, Cardinal Blase Cupich said an accusation has been reported to the archdiocese that the Rev. Paul Guzman abused a minor when he was a layman — 25 years before entering Mundelein Seminary.

An Evergreen Park priest has stepped aside from the ministry after the Archdiocese of Chicago received an accusation of sexual abuse of a minor from about 40 years ago.

In a letter Saturday, Cardinal Blase Cupich said someone reported that the abuse had occurred when the Rev. Paul Guzman, an associate priest at Most Holy Redeemer Parish, was a layman, 25 years before he entered Mundelein Seminary to prepare for the priesthood.

The accusation was reported to the Illinois Department of Children & Family Services and the Cook County State’s Attorney’s Office while Guzman was overseas on military duty, Cupich said.

Guzman has agreed to live away from the parish during the investigation, Cupich…