sheila lyon, 12 at the time and her sister, kathryn, 10, vanished in 1975, while walking home from weeden a convicted sex offender locked up in a delaware prison since 1997. and police are looking to see if welch's family members are involved in the disappearance. >> i hope you find them and set everything at peace with the families and everything. >> reporter: on taylor mountain, in thaxton, virginia, i'm shamarry stone, news4. >> a dangerous situation in the western part of the country. a dozen wildfires raging in california threatening hundreds of homes there. one of the fires in a place 60 miles east of sacramento has already burned nearly 29 square miles, more than 2500 firefighters are working to put that fire out. at this point, they say it's only 5% contained. meantime, the town of weed in california is cleaning up after a fire destroyed more than 150 structures there. it forced the town's largest employer to close indefinitely. in arizona, not fire but water that is the problem. an historic rainfall earlier this month and people are braising for yet more. the remains of hurricane