Fairfax County police officer Lance T. Guckenberger was investigating a silent hold-up alarm at a Bailey's Crossroads check cashing business the morning of Jan. 14, 2005, when things quickly took a turn for the deadly. Standing outside the business' locked door, Guckenberger could see the store's clerk inside, apparently alone and talking nonchalantly on her cell phone. The clerk waved to Guckenberger and unlocked the door by remote control.As he drew closer, the clerk shouted out a warning about a man with a gun, threatening to kill her. Guckenberger drew his firearm, knowing both he and the clerk were exposed to an unseen gunman. With his pistol in one hand, the officer scooped up the clerk with the other and shielded her with his body. They retreated out of the store as fast as possible, and ran toward his police cruiser for cover. Suddenly, the suspect burst from the store's front door. The assailant pointed his gun at Guckenberger and opened fire. The officer returned fire from behind his squad car, but the gunman had taken cover behind another parked car. The suspect, who ignored the officers' demand that he drop his weapon, started to run for a nearby gas station. Guckenberger told him to stop, but he turned and pointed his gun at the police officer. Guckenberger shot the suspect in the leg, knocking him down and ending the ordeal in his arrest. Guckenberger was among three officers awarded the Silver Medal, the highest honor bestowed on the county's public safety personnel. Gold Medals are generally only given to officers posthumously. connectionnewspapers.com 16 Mar 06