For over two decades, Arthur served as an Army Intelligence Warrant Officer, specializing in piecing together what others missed: patterns, threats, enemy intent, and clandestine activity. He also trained intelligence professionals, built threat models, and briefed commanders and world leaders on global threats and battlefield strategy. After retiring from the military, he transitioned into private investigation, focusing on missing persons, human trafficking, opposition research, and fraud cases. He also holds a degree in Counterterrorism, adding academic grounding to the skills he developed in the field.

He is an award-winning author who has been writing books since 2006. While he publishes under his own name, much of his best and most widely read work has appeared under pseudonyms. Readers may already know those titles, although they would not know they are his. That separation is intentional because just as his books invite readers to participate and interpret what is hidden between the lines, his career as a writer reflects the same principle.