Rob Mawby, in his book Policing Across the World, says: “Incidents of police brutality, corruption, violence, murder and abuse of power punctuated almost every decade of colonial police history. ”
नात्झींचे गेस्टापो, सोव्हिएत संघाचे केजीबी आणि पूर्व जर्मनीचे श्‍टाझी सर्वज्ञात आहेत.