Cassie’s Songwriter Recalls ‘Diddy Screaming’ and Cornering the Singer

Sean “Diddy” Combs, Cassie Ventura. Getty Images Cassie’s songwriter Tiffany Red is recalling the first time something felt “wrong” in the singer’s romance with Sean “Diddy” Combs. Red, 37, told the story Wednesday, October 9, in Secret Life of Diddy — A Special Edition of 20/20 on ABC. One night in 2015, Cassie, who’s now…