What are the 4 types of surveillance?

 There are four primary categories of surveillance techniques that are frequently used by investigators in the field of private surveillance. These covert, electronic, digital, and physical surveillance techniques are all examples of surveillance. Physical surveillance is observing and tracking someone's movements and actions up close. Electronic surveillance collects data remotely using technologies like cameras, audio recorders, and GPS tracking. Monitoring someone's online activity, including their social media profiles and electronic interactions, is known as digital surveillance. ensuring that their clients receive precise and thorough insights.