The Knockout Game - Image #658,110

She's actually the master player.

To summarize the article:

Granny goes to visit kid, two punks ambush her, granny is hurt but manages to pull out a gun from her bag, granny headshots one punk, other punk runs away.

Also some hobo was saying she was like a COD player, when in actuality that would mean she would have thrown a knife at him.