(Portland, OR)  --  Police are investigating the theft of seven vehicles from a Southeast Portland car dealership.  The thefts took place last night at Carco Auto Wholesale, and police are reviewing surveillance video that reportedly captured at least one of the thieves at work.  Officials say six of the vehicles were recovered within blocks of the dealership.  KATU-TV reports only a 2005 Hyundai Sonata is still missing.