(Portland, OR)  --  Police are searching for three suspects accused of pickpocketing an elderly woman at a Portland grocery store.  The Portland Police Bureau says the 78-year-old woman was shopping at the store off West Burnside Street on May 19th when the thieves swiped her wallet from inside her purse.  Police say the woman didn't notice her wallet was gone until she got to the checkout line.  Video surveillance footage of the incident shows a man distracting the woman while a female suspect grabs the wallet.  The third suspect is accused of driving the getaway vehicle.