(South Beach, OR)  --  The deaths of a man and woman in Lincoln County are believed to be the result of a murder-suicide.  Sheriff's deputies in South Beach were called out to Whaler's Rest RV & Camping Resort yesterday after receiving a call for a welfare check.  Deputies found 87-year-old Charles Young and 64-year-old Carla Gustafson dead inside a trailer.  According to investigators, Gustafson shot and killed Young before turning the gun on herself.  The motive is still under investigation.