Exclusive | 90-year-old judge Frederic Block still on the bench and hearing case of druglord who inspired Narcos

A 90-year-old Brooklyn federal judge who’s been on the bench for some of NYC’s most high-profile cases is now presiding over one of the biggest — and possibly most dangerous — of his career. Judge Frederic Block is hearing the case of Mexican drug lord Rafael Caro Quintero, so notorious he had a season of the Netflix hit “Narcos” based on his life, and who the White House once called “one of the most evil cartel bosses in the world.”“It’s probably the number one criminal case in the country,” Block declared during an interview with The Post this week.But Block — whose resume includes the Crown Heights riots murder of Yankel Rosenbaum and the infamous Queens killing of Kitty Genovese, along with Gambino crime family boss Peter Gotti’s racketeering trial in 2003 — is so unfazed, he’s doing stand-up comedy on the side.“With cases, including this one, I don’t walk around in fear,” continued the judge, who survived multiple death threats over the years, including one in 1998 from Lucchese crime family underboss Anthony “Gaspipe” Casso, who wasn’t thrilled to be spending more time behind bars because of Block.He picked up comedy as a side hustle a month ago after spotting a sign for a workshop and taking a class, making his debut at Gotham Comedy Club earlier this month using the stage name, Judge Felix Schmeckler.Wearing his robe and taking a seat placed on the stage for him, he insisted on being a “sit-down comic” and cracked that anyone who insisted that he stand will be reported for “elder abuse.”In a nod to his wife, he joked that 30 goes into 90 three times, but 90 goes into 30 zero, to uproarious laughter.The judge admitted he took a risk making a “jackass” of himself on stage, but did so in the hope of unifying people because of too much “divisiveness” in court.Comedy is “the one thing that can bind us.”As for the Quintero case, the smuggling kingpin was released on a technicality in 2013 after servin...