If, as now seems likely, the sniper has made demands on the police (including NOT mentioning the messages he's leaving), then it's entirely possible that the Home Depot shooting was "punishment" for leaking the tarot card.
Now he's left another message, and the police are acknowledging that they received it and are complying with the demand, even to the point of deliberately misrepresenting what the recent message said.
CNN reporting that the bullet HAS been retrieved from the latest shooting victim...