When a digital forensics investigator is conducting art investigation and handling the original data, what KEY principle must they adhere to?

When a digital forensics investigator is conducting art investigation and handling the original data, what KEY principle must they adhere to?
A . Ensure they are competent to be able to do so and be able to justify their actions.
B . Ensure they are being observed by a senior investigator in all actions.
C . Ensure they do not handle the evidence as that mustbe done by law enforcement officers.
D . Ensure the data has been adjusted to meet the investigation requirements.

Answer: A