New York detectives are searching for four potential witnesses to the killing of a Brooklyn shop owner, the latest in a trio of murders in which all three victims were of Middle Eastern descent and all appear to have been shot by the same .22 caliber gun. New York City Police Commissioner Ray Kelly said today that the department will ask the FBI for a profiler to help identify who might have killed these three people.

Read more http://feeds.abcnews.com/click.phdo?i=28acd6e4a3a3f73363992d4cbf62b096