In “Judas and the Black Messiah,” LaKeith Stanfield plays William O’Neal, the FBI informant recruited to infiltrate the Illinois Black Panther Party.

Costume designer Charlese Antoinette Jones breaks down how she wanted to present O’Neal in the film’s opening scenes, and what shows influenced one of his early looks when we first meet his character. Antoinette Jones discusses the use of green and how it became a symbol of greed in his character, and the more money he makes from being an informant — because soon enough, O’Neal becomes a part of the Black Panther Party and local chairman Fred Hampton’s (Daniel Kaluuya) inner circle of friends.

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