Authorities are still investigating a shooting in Mercer County that left one man dead Sunday afternoon.  According to State Police, Curtis Dillon was robbing a home in the Ridge Harmon Ridge Area off Bicknell Flats Road when the homeowner returned home and found Dillon committing the burglary.  The homeowner then grabbed a gun and shot Dillon, killing him.  Police are still investigating this shooting, but so far no charges have been filed.