Warrantless surveillance refers to the practice of monitoring individuals or groups without obtaining a legal warrant from a court. This type of surveillance can involve various methods, such as electronic eavesdropping, tracking online activities, or using cameras in public spaces. It is often justified by authorities as a means to enhance national security or prevent crime. Critics of warrantless surveillance argue that it infringes on privacy rights and civil liberties. They express concerns that such practices can lead to abuse of power and a lack of accountability, as there are fewer legal safeguards in place to protect individuals from unwarranted intrusion by the government or law enforcement agencies.