Bellamy is a former Scientific Investigator with a prominent Australian Police Department. Trained as a Crime Scene Analyst, his case experience includes the investigation of serious crime including multiple murder, rape, arson, bombings, aircraft crashes and acts of terrorism.

After leaving the department, he became a private investigator specialising in insurance fraud and motor vehicle accident investigation. He has worked in a variety of fields including financial futures trader and computer store proprietor. He has been writing true crime articles since 1998 and currently lives in Queensland.