The indictment of a soldier who bet on the U.S. operation to capture President Nicolás Maduro of Venezuela put renewed focus on a new way to gamble, and a new way to cheat.

The White House has warned staff not to wager on government decisions, but his family’s involvement with these firms undermines the president’s message.

The authorities said a Paris airport weather sensor may have been tampered with as large wagers were placed on the betting site.