CNN Forensic Files July 14, 2014 08:09:00
There was no postmark on the envelope, which meant it had been hand delivered. >> miriam is frantic about this. she is convinced that the killer is now out to get her. >> the simple block lettering made handwriting analysis impossible. there were no fingerprints on the envelope or the letter. the envelope wasnt sealed, so there was no saliva on the envelope flap and no dna to recover. and the barcode on the back of the card was missing. >> it had been cut out, and -- as if somebody knew we might...
Source: archive.org