Hennie Lochner is independent researcher since his retirement as senior lecturer in the Department of Police Practice at UNISA. He specialised in advanced crime intelligence and crime scene investigation. He obtained a doctorate on the use of modus operandi information for the investigation of CIT robberies, from which this book was born. He has published widely in accredited journals and wrote several books. In a police career spanning 28 years, he investigated various crimes before commanding among others, the provincial crime unit investigating taxi violence and serious and violent crimes unit.

Peet van Staden is author and retired prize-winning journalist. In a journalism career spanning 46 years he held executive positions in among others, television, newspapers, and radio, and was elected to several panels compiling principles and norms for media in South Africa and internationally. He authored or contributed to several non-fiction books, magazines, and occasional publications in both English and Afrikaans. He is also a novelist and writer of short stories.