In Chicago, the price of illegal guns soared during the pandemic, but gangs were able to pay for them with COVID-19 relief money obtained fraudulently, agents say. When COVID-19 struck in 2020, the government quickly put together massive aid programs to help struggling businesses, along with the people who lost their jobs. But other kinds of enterprises with names like the Traveling Vice Lords and the Wild 100s — criminal street gangs in Chicago and across the country — soon figured out how to take advantage of that safety net. They defrauded those programs of millions of dollars that they...