Respuesta :
Answer: Latent
Explanation:
Latent fingerprint is the fingerprint that is present on the surface due to finger's perspiration caused by surface touch. This fingerprint gets embedded on surface through oils present on fingers which is taken with help of fine power,brush and transparent tape.It is not visible to naked eyes and requires forensic view.
According to the question, police officer is looking for latent fingerprint as he is using fine powder and brush for locating the spots where fingerprints can be present.
Answer:a
Explanation: bc they use it as a primary criminal investigation tool