ALBANY — A professional poker player from Las Vegas who left chilling voicemails and mailed suspicious-looking white powder to the New York State Gaming Commission in Schenectady due to a grudge dating to 1976 has pleaded guilty to federal charges in U.S. District Court.

Brent Carter, 73, who won gold bracelets in the World Series of Poker in 1991 and 1994, admitted to conveying a hoax and false information for spreading the powder in letters to the Gaming Commission between 2019 and 2021, according to federal prosecutors in Albany.

The prosecutors said Carter held a nearly 50-year grudge against the Gaming Commission because in 1976, due to allegations of cheating, it temporarily suspended Carter’s license to compete in horse racing.