Well, hello. I'm Rod Blake, chief investigator for the Nevada state troopers. You know, to a killer, everyone is expendable - strangers, friends in general, the peace officer who's after him in particular. Sometimes they get pretty tricky. I'm thinking of one who not only moved the body, but moved the whole scene of the crime. Oh, this? It's a spearfishing gun. I found it out in the desert near Tonopah and I thought that made it interesting. I'll be back in a moment to tell you ...