WASHINGTON, DC runs on systems-badges, cameras, visitor logs, and screens that tell people what's "official."Zoey Quin is a normal teen until the system starts lying about her.A visitor screen shows Zoey signing in when she never touched the tablet. A security notice flags her name. Doors lock and unlock at the wrong time, like someone is guiding her into traps. Records update in real time, making it look like Zoey went places she never went.Then the worst message appears: an "official" order telling guards to detain Zoey.Suddenly, strangers with scanners are searching for her. Crowds are pushed into checkpoints. And the city that's supposed to protect people starts hunting the wrong person-because everyone is obeying a screen.Zoey has only a few people she can trust: Brennan Martin, her loyal best friend; Gavin Leon, a smart friend who thinks like a chess player; Detective Carmen Rios, who believes evidence more than alerts; and Agent Ethan Reed, who knows this isn't random. When Zoey's mom, Marissa Quin, gets pulled into the danger, Zoey realizes this isn't just about clearing her name-it's about stopping the whole machine.Because somewhere in DC, a black case is moving.Inside is the Kingmaker File.And whoever controls it can change what the system "proves," create fake "authorized" messages, and turn innocent people into targets in seconds.Zoey, Brennan, and Gavin race through locked corridors, sudden lockdowns, and public spaces where one wrong step can end everything. With twists you won't see coming and a final move that changes the game, CAPITOL CHECKMATE: THE KINGMAKER FILE is a fast, thrilling read for ages 10+ about courage, truth, and power.ONE MOVE CAN END YOU. WHOEVER HOLDS IT, OWNS DC.