MEMPHIS, Tenn. — The gunshot-filled 911 call came into a Tennessee police department just after midnight on July 19, 2010, from the cell phone of retired NBA player Lorenzen Wright. Turner was Sherra Wright’s “romantic secret interest,” and she recruited Turner and her cousin, Jimmie Martin, to help her kill her 34-year-old ex-husband, said Hagerman, the prosecutor. Martin helped Turner …