Four years ago, Radcliffe Haughton walked into the Azana Salon & Spa outside Milwaukee and opened fire. Estranged from his wife Zina, Mr. Haughton was under a restraining order that prohibited him from owning a gun. That didn’t stop him from obtaining a firearm. Mr. Haughton perused armslist.com and arranged to buy a .40 caliber GLOCK through a […]