“That seems to be the million dollar question: Who are these people?” said Robert Linnehan, regulatory writer and editor at XLMedia, which specializes in online gambling and sports betting. But California’s gaming tribes aren’t on board, and it’s unclear who’s bankrolling the effort. Proponents have filed with the state Attorney General’s Office to launch a pair of proposed measures for the November 2024 ballot that would allow on-site and online sports betting in California through the state’s recognized Indian tribes. Now, a mystery player has anted up for another round at the ballot box. California voters last year dealt a crushing bust to a pair of competing ballot initiatives to legalize sports wagering, but the Golden State is too big of a prize for gaming interests to just fold and walk away.