Tucked in an aging strip mall next to a coffee shop and a tax preparer in City Heights, the casual observer might have noticed that a clothing alterations shop was running a particularly brisk business.

But expert tailoring wasn’t the draw.

A task force raid in October found evidence of an illegal gambling parlor, with 16 video gaming machines, about $1,700 in cash concealed in drywall, drugs and methamphetamine pipes, according to an FBI search warrant affidavit.