A former Miami Heat security officer has been accused in federal court of stealing millions of dollars worth of team memorabilia — including a game-worn LeBron James jersey from the 2013 NBA Finals — and selling them to online brokers.

Marcos Thomas Perez, a 62-year-old former Heat security guard and longtime Miami police officer, appeared in federal court Tuesday on charges that he stole and resold hundreds of pieces of game-worn memorabilia, including jerseys worn by some of the NBA’s biggest stars.

A former Miami Heat employee, identified as 62-year-old Marcos Thomas Perez, made his first appearance in federal court Tuesday after he was accused of stealing millions of dollars' worth of Miami heat memorabilia and selling it to online brokers,