Hundreds gathered for the funeral of Linda Stein, who once managed musicians like the Ramones and later became a real estate broker "to the stars." Stein was found bludgeoned in her Fifth Avenue apartment on Tuesday, and her daughter Samantha Stein-Wells made tearfully shared a promise she and sister Mandy Stein made, "I had to see her one last time. One last time to see what this bastard had done to her. And we stood......