Synthia Case (A.K.A "Mrs. 5.56") was born on September 11,2008 in Idaho. Not much is known about her early life but what is known is that Synthia grew up in a wealthy family. She grew up surviving against hordes of Zombies and even Regeneradors, but her parents died while surviving in Georgia. She was found by Penthesilea Samaras and the New Amazons when she was 15 and started training at that same age. She was transfered to the Ukraine as a security commander, However came back to America after Division Delta Codenamed:Anti-Virus fought alongside the New Amazons against the Umbrella Fascist Group.