By Randy Ellis Staff Writer rellis@oklahoman.comOklahoma City police swooped down en masse on the shores of Lake Overholser early Thursday after receiving a call warning that a man in fatigues was walking around with a military rifle. It turned out to be just a member of the Stillwater U.S. Army Reserve practicing individual military maneuvers — but the 6:45 a.m.Read more on NewsOK.com