It began as a small flash mob in Portland's Monument Square in 2012, and has grown to include over 100 dancers that draw big crowds each year before Halloween.
Former Bangor police chief Don Winslow and his wife Dora were surprised along the Bangor Waterfront Tuesday (June 17) night.
Winslow recently stopped chemotherapy treatments. The couple have both battled cancer in recent years. Doctors have told the former chief that his cancer has resurfaced in his lungs.