but sergeant terry wilson was focusing on narcy. to charge her with her husband's death, at least not yet. she had an alibi for the assumed time of the murder. the case against her was circumstantial. someone else must have gotten into the room and killed her husband. but who? then seemingly out of nowhere, an anonymous letter fluttered on to the desk of a detective 1,000 miles away from the crime scene. miami springs, florida, investigator gary fedders personally knew nothing of the ben novack case, and his department wasn't involved. >> there's people who heard the name and knew about him. the fountain blue and all. i wasn't one of them. i didn't know about it until i talked to dk ed ted to detectiv. >> the letter in spanish was nothing but a blueprint to the murder. naming names, citing motivations. >> this is shocking, and it could be a big break. >> sergeant wilson up in westchester couldn't wait to see it. >> whoever wrote this letter obviously had information, inside information. >> looking back, that letter had the whole sto