MILTON, Pa. - Investigators hope tests on a three-ton hunk of Concrete will soon solve the 1989 disappearance of a young mother, by determining whether her remains were fed through wood chipper and then entombed in the basement of a Pennsylvania duplex. Sunbury Police Chief Tim Miller announced earlier this month that preliminary results showed the Concrete contained wood chips, and he's waiting to see if they also hold the remains of Barbara Elizabeth ...