The Justice Department has warned Elon Musk's America PAC that it may be violating federal law by giving away $1 million, CNN reports.

The letter from federal election law enforcement officials comes amid Musk's growing stature as a Trump political supporter and donor.

Billionaire now Trump campaign surrogate Elon Musk and his America PAC have been warned by the U.S. Justice Department in recent days that his pledge to give $1M to registered swing-state voters may violate the law.

A letter sent to Elon Musk's political action committee from the US Department of Justice (DOJ) warned that his daily lottery-style giveaway of $1m per day to a registered voter may be illegal, according to US media.

Elon Musk is giving away millions. Can Kentucky voters see some of that money? Is it legal? Here's what we know.

The DOJ has written to Elon Musk’s America PAC cautioning that giving cash payments to voters who sign a petition might violate federal law

The Justice Department declined to comment, and the super PAC’s treasurer did not immediately return a voicemail message requesting comment. The letter, which was earlier reported by CNN, follows mounting pressure on state and federal authorities to investigate Musk’s lottery as a potential violation of election laws,