‘We convened a panel of five influential Bills fans to decode that culture and articulate the rules: Buffalo natives turned Los Angeles filmmakers Addison Henderson and Kevin Polowy, who are shooting a docuseries on Bills fans called “Just One Before I Die”; Kristen Kimmick, founder and president of the nonprofit organization Bills Mafia Babes; Del Reid, the co-founder of Bills Mafia and owner of 26 Shirts; and Leslie Willie, a co-founder of Bills Mafia and treasurer of Bills Mafia Babes.’