It's the second time the NFL has raised concerns.
The prediction market Kalshi says in regulatory filings that three congressional candidates have been suspended from the platform for betting on their own races.
Federal prosecutors in Brooklyn accused Damon Jones and others of helping a network of sports bettors who wagered based on nonpublic information.
What once required a trip to a casino is now available with a few taps on a smartphone, as Americans increasingly place sports bets anytime and anywhere.
An ABC News examination of the rise in youth gambling, fueled by a new form of online wagering, indicates a troubling trend of gambling addictions among young people.
One of the so-called fixers in a sprawling betting scheme that allegedly raked in millions of dollars off rigged NCAA basketball games pleaded guilty.