John Spira has been missing since February 2007. Spira was last seen by his business partner, Dave Stubben, at their Universal Cable Construction business in West Chicago.
In conjunction with Spira's sister, Stephanie McNeil, Sheriff's Office detectives will be searching various wooded areas this week as well.
Sheriff John E. Zaruba asks that anyone with any information relating to Spira's disappearance to please contact the DuPage County Sheriff's Office at (630) 407-2333.