Citing Fourth Amendment violations and readily demonstrated evidence of racial discrimination, a federal judge has ordered a complete overhaul of the NYPD's stop-and-frisk policy.

Despite court rulings, recent documents imply that FBI agents might be reading electronic communications without obtaining a search warrant. 

Despite a Supreme Court ruling that GPS tracking may not be attached to a suspect's vehicle without a warrant, the government is attempting to find out what exemptions are possible.

After hidden surveillance camera footage is used in a court case against two alleged marijuana-growers, a judge rules in favor of law enforcement agents, which sparks a debate over privacy and Fourth Amendment rights.