The photo was taken Wednesday in Houston, Texas at a delicatessen, of all places.
This image was posted openly on Facebook Wednesday by a man whose Facebook profile says is from Chicago:
The same Facebook user posted a picture of himself sporting an ISIS logo at the Department of Motor Vehicles, according to his post:
Mike also spotted another instance on one of the major social networks.
I would posit that wearing a logo like this in America is roughly equivalent to wearing a Nazi armband in 1943.
Hat tip: BadBlue News.