When investigating a crime scene, Patent can be used for categorize a bloody fingerprint.
Answer: Option C
Step-by-step explanation:
At the time of the crime scene there will be evidences left over by the criminal. Hence normally the crime scene is left undisturbed for the forensic department to lead through the investigation. During investigating a crime scene the patent finger printing is used.
During patent finger printing the bloody finger print is obtained by dusting with powder and then compared with the suspect's finger print. It can also be photographed and stored for future enquiries. Comparing the skin ridges and also impression created due to perspiration also helps identify the criminal .