Research report fron 2020 focusing on strategies to combat bicycle theft in Amsterdam. It details the effectiveness and efficiency of current municipal measures, primarily examining the work of the Fietsdepot (Bicycle Depot) in recovering stolen bikes, the bicycle engraving program aimed at deterring theft, and the register control efforts to monitor bicycle dealers. The report also delves into the historical context of Amsterdam's approach to bicycle theft, highlighting a decline in dedicated policy and a lack of clear monitoring and reporting on the success and cost-effectiveness of the current methods, despite some positive results like returning recovered bicycles.