TRUMP: Pardoning himself and his family!! He has admitted to committing a crime but what crime?

http://www.huffingtonpost.com/entry/trump-pardon-himself_us_5973587be4b0e79ec1999463?utm_

If someone who has committed a crime is pardoned, the person is officiallyforgiven and punishment is stopped:

He was convicted of murder, but was later pardoned by the governor.