ALLEGAN, Mich. – Investigators in western Michigan might have discovered the remains of a missing teenager whose adoptive father was recently charged in a 1980 homicide in Virginia. Aundria Bowman was 14 when she disappeared in 1989 in Allegan County. Skeletal remains were found in a shallow grave under cement Wednesday in the county's Monterey Township, Undersheriff Mike Larsen said. News organizations, citing property records, said the land where the remains were found is owned by Dennis Bowman. “During the course of (the Doyle) investigation, investigators continued to search for answers as to the whereabouts of Aundria,” Larsen said.