I've Put Up a Wa Tere.

Detectives spent months trying to track down the killer of roberto Owore. They used g p s tracters, which produced precisely nothing. A dive team found an electrical box in a river but no trace of finger prints. Investigators finally turned up scientific evidence of one of the letters the killer sent. There was a d and a profile on the back of one of stamps that was affixed to the envelope. The letter read: I'm doing this to you now. Here i am. Now come find me. Basically, they're coming after the copse.