(Tigard, OR)  --  Tigard Police are investigating an attempted abduction that happened in the Winco parking lot last week.  Police say a woman was loading groceries into her car on August 20th when a man grabbed her from behind and tried to pull her into a van.  She fought him off and drove away.  The suspect is described as white with gray and black hair and roughly 50-years-old with a medium build and a beer belly.