Scalia refuted your position that militia membership was a prerequisite to the right to keep and bear arms. He noted that Miller was silent on the question.
Do you have targets painted on your feet?
Unconvicted Crips and Bloods have 2nd Amendment rights, just like the rest of us who have not been convicted of any crime
One underlying point about "unconvicted Crips" is the presumption that they are criminals who just have not yet been convicted of any of the crimes they have surely performed, particularly since it seems that committing a crime is part of the gang initiation process
The solution is to catch, convict, and incarcerate or execute them. The bottom line is that anybody who is too dangerous to be allowed to own a gun, is too dangerous to be loose on the street