Police classify this core group of cold-case missing persons as endangered.
While hundreds of people are reported missing in Tulsa yearly, most cases are closed when the victims are found alive. Detectives are also pursuing leads in several active missing-persons investigations.
If anyone has information that could help police close these cold cases, please call Crime Stoppers at 596-COPS.
Johnson was last seen Sept. 11, 2008. His wife said she last talked with him by phone about 11 p.m. that night and that he said he would be home soon. 
