Danvers: Ed Sanborn, a Danversport resident, expresses his skepticism about a report given by Dr. Scott Davis, vice president of explosion and fire safety at GexCon US, a company hired to conduct an investigation of the 2007 CAI Chemical Plant explosion in Danversport, during a presentation hosted by CAI at the Sheraton Ferncroft in Danvers on Wednesday. Through his investigation, Dr. Davis was unable to reach a singular conclusion as to the cause of the explosion, but admitted that avenues existed for further investigation, which Sanborn hoped he would persue. CAI has decided to discontinue the investigation. In the background is public interest lawyer, Jan Schlictmann. Photo by Matthew Viglianti/Staff Photographer Wednesday, May 27, 2009.