A 30-year-old drop of blood led to an arrest in this unsolved Vermont murder case

A single drop of blood has led to the arrest of a suspect in the unsolved 1989 murders of Catherine and George Peacock in Danby, Vermont, police say.

​A single drop of blood has led to the arrest of a suspect in the unsolved 1989 murders of Catherine and George Peacock in Danby, Vermont, police say.