The sister of Karina Vetrano’s accused killer said Monday that her sibling was framed—and that he was only arrested because he’s black. “I think the cops framed him because he’s a black person. They couldn’t find anyone else to pin this on, so they pinned it on my brother,” Theresa Forbes, 36, told reporters. Forbes’s half-brother, Chanel Lewis, 20, was charged Sunday with murdering the Queens jogger in August based on DNA evidence and two videotaped confessions, authorities and law-enforcement sources have said. Asked about the alleged forensic evidence against her sibling, Forbes said,“The DNA lies sometimes. They wanted to...