The stunning indictment that led to the arrest of more than 30 people, including Miami Heat guard Terry Rozier and other NBA figures, on charges of illegal sports betting has drawn new scrutiny of the booming business of professional sports gambling across the U.S. Since widespread legalization, the multibillion-dollar industry…

The multibillion-dollar industry has made it easy to place wagers on everything from the outcome of games to that of a single play and regulation is a challenge.

The arrests of several prominent NBA figures on charges of illegal sports betting has drawn new scrutiny for the booming business of sports gambling.