If you were convicted, you must wait until your sentence is completely served. Then you can ask that your record be "expunged" of this crime by submitting a petition/motion to the court, setting...
Doing researchon this question I've come across the following information which may not be good news to you.
Who is eligible for an expungement? An adult whose criminal charges have been pardoned,...
You must first have served the complete term of your sentence, then submit a petition to the court setting forth good reason(s) why your request should be granted. A judge will review your petition...