1) To forget to or be unable to pay your taxes.
2) To commit tax evasion.
1)
CIAGuy1: Man, I can't believe that guy pulled an Al Capone on us again! This is the third year in a row!
CIAGuy2: From what I can tell, the guy doesn't make a lot of money. I wouldn't blame it on him.
2)
CIAGuy1: That scoundrel is always getting away with tax evasion!
CIAGuy2: I know. He's always able to pull an Al Capone on us.