What are the investigative guidelines need to be followed by an investigator?

Investigators should adhere to guidelines such as maintaining objectivity and impartiality, ensuring all evidence is collected and documented methodically, and respecting legal and ethical standards throughout the investigation. They must also prioritize confidentiality to protect sensitive information and ensure the rights of individuals involved. Effective communication and thorough reporting are essential for transparency and accountability in the investigative process. Lastly, continual training and adherence to best practices are crucial for staying updated on relevant laws and techniques.