Petrie's mother's wait for killer's arrest 'very, very frustrating'

Joyce Petrie doubts she’ll ever learn who killed her son at his downtown Sault Ste. Marie apartment eight years ago.Todd Petrie, 48, was found at his second-floor unit at 142 Albert St. E., on Feb. 27, 2011. No one has yet to be charged in his slaying.“It’s not going to be solved,” Petrie told The Sault Star from her winter home in Zephyrhills, Flo. “I doubt if I’ll ever know. Very, very frustrating for me.”The Michigan woman is planning to visit the Sau