Elon Musk’s $1 million giveaway for voters who sign his free-speech and gun-rights petition falls into a gray area of election law, and legal experts are divided about whether the billionaire supporter of Donald Trump could be running afoul of prohibitions on paying people to register to vote.

Musk's pledge to give $1 million a day to voters in battleground states has quickly drawn condemnation from election law experts and Gov. Josh Shapiro. Does it run afoul of federal law?