Well of course they didn't find any evidence of a vampire!! They can turn into bats or smoke, and disappear!! I'd ask if it was foggy when those troopers showed up. There may be more to this story--- much more!!!
Good point. Also the woman was on a dirt road when she spot the vampire. Greg has been know to go a dirt road or two on his bike, unless he sold it and bought something else.
hmmmm aren't vampires kinda eccentric also? Think about all the rigs that Greg has gone through the years.