Mike Kupari is the author of Trouble Walked In and Her Brother's Keeper, as well as coauthor, with Larry Correia, of the best-selling Dead Six military adventure series including Dead Six, Swords of Exodus, and Alliance of Shadows. He grew up in Michigan’s Upper Peninsula and enlisted at the age of seventeen. Kupari recently returned from his second active duty overseas with the U.S. Air Force, where he was an explosive ordnance disposal technician. He also served six years in the Army National Guard. Kupari has worked as a security contractor with several firms, did a tour in Southwest Asia with a private military company, and is an NRA-certified firearms instructor.