Answer:
Investigators should never keep records on their informants.
Step-by-step explanation:
Informants, often referred to as Criminal informants, most especially in the law enforcement world, they are individual or any person that gives privileged or evidenced information concerning a particular person, or organization under investigation.
Hence, from the question above, informant, often expect payment or form of consideration for their work done, or information given out.
Also, it is considered inappropriate for investigators to collect material or any kind of gifts from the informant.
More so, when it comes to young kids or minor as informant, investigator will need special permission, as to protect the child or the juvenile involved.
However, the investigator needs to keep record of the informant for investigation or legal purpose.