(Beavercreek, OR)  --  The Clackamas County Sheriff's Office is investigating a brazen, daylight theft of a catalytic converter that was caught on video surveillance.  Police say a Ford Excursion was in a Beavercreek parking lot yesterday when a black Ford F350 pulled alongside.  A suspect then crawled under the Excursion and a minute later the catalytic converter was removed and the thieves were gone.  The suspect's F350 is believed to be a 2006 crew cab, it had a dealer plate, but investigators think it was stolen.