Gun-Toting Citizen Halts Apparent Robbery Police Praise Effort; Suspect in Custody By LINDA MULLEN Tribune Staff Writer SOUTH BEND -- Anyone who has a television should know the proper accent to use when saying "citizen's arrest, citizen's arrest." But Eric Endres wasn't imitating Barney Fife Saturday night when he stopped a burglar, at gunpoint, from making off with the goods at a local computer store. Endres does, however, have the attitude that the old Mayberry deputy had in regard to his responsibility as a law-abiding citizen. "I have a permit to carry a firearm every day, and I carry it...