The federal government has significantly expanded undercover operations in recent years, with officers from at least 40 agencies posing as business people, welfare recipients, political protesters and even doctors or ministers to ferret out wrongdoing, records and interviews show.
At the Supreme Court, small teams of undercover officers dress as students at large demonstrations outside the courthouse and join the protests to look for suspicious activity, according to officials familiar with the practice.
Here's the Hardest Part about Being an Undercover Cop (Insider)
Lies, Spies and Dirty Tricks: the Truth about Britain’s Undercover Police (The Guardian)
The Real Story of How a Black cop Infiltrated the KKK (History)
Undercover Ink: How spies Use Tattoos (History)
What Does It Take to Be an Undercover Police Officer? (The Guardian)
