Oklahoma authorities name the BTK killer as the ‘prime suspect’ in at least two unsolved cases

The BTK serial killer has been named the “prime suspect” in at least two unsolved cases, including one in Oklahoma that led authorities to dig this week near his former Kansas property in Park City, authorities announced Wednesday.
Osage County, Oklahoma, Undersheriff Gary Upton told The Associated Press on Wednesday that the investigation into whether Dennis Rader was responsible for additional crimes started with the re-examination last year of the 1976 disappearance of Cynthia Kin