What methods do private investigators use?

 Diverse approaches and strategies are used by private investigators when conducting private surveillance. Physical surveillance is one of these techniques, in which detectives covertly watch and record people or places at work. To acquire proof, they could also use technological surveillance techniques like setting up cameras or tracking gadgets. Additionally, detectives may run background checks, use online research strategies, and obtain information through undercover operations or interviewing people. The objective is to obtain pertinent and accurate data while abiding by the law and moral principles.