How a murderer was brought down by a postmark, a cellphone call, a handful of receipts
After a mother and daughter were found fatally stabbed inside their Virginia home in 2007, investigators were struggling to find the clues that would lead them to a suspect. There were no signs of forced entry into the home shared by Angelique Goyena, 35 – nicknamed Angel -- and her mother, Vonda Goyena, 74. Another letter taunting detectives was sent to police from Michigan, and detectives didn't have any immediate leads.
Source: aol.com