:crazy:
(going with the theory it was a med student from Hershey)
1. Well, I would think the type of person who would become enamored with Betsy may have been the type to fall in love/become obsessed quickly...I don't think it was a Med Student from Hershey, in my mind, I would think it might have been someone she would have known from her PSU Main campus goings on. It seems more likely someone would become enamored with her from being around her, because like you say, she likely spent most of her weekends with David.
2. How would the med student know that Betsy would be in the right place at the right time? (although students from the Hershey campus probably
One of the original theories from the police, which is contained in one of the articles on my site, is that "Police determined that Betsy was not following any particular pattern, so there was no real reason for her even to have been at the library that day." I tend to agree with that -- Like you say, it's not like she went to the library every Friday at 4 pm, for example. They also stated that they were able to determine her movements up until about 1 hour before the murder -- so she was not followed into the library.
My only issue with the drug deal theory is -- what would have caused them to feel like they needed to kill her if she didn't know them? I guess I wonder what would cause an attack of that severity over something as simple as drugs -- weed was prominent at the time, and although kids were frequently busted, it doesn't seem to have been a huge deal.
In the same article as the one about her patterns of behavior, the police actually have a separate theory to the one about him killing her quickly so as not to be recognized -- that theory is that the killer was NOT afraid of being recognized, as he didn't even stick around long enough to make sure the single stab wound killed her.
The attack from the back -- Which makes sense -- in the stacks it would be hard for two people even to pass each other, so perhaps if she was turned facing away from him, that was his only opportunity, and the best chance for her NOT to scream or create a ruckus.
Not trying to curb enthusiasm, those are just some things I have noticed from the reading I've done which kind of make me think that perhaps it wasn't a med student at all...In fact, I kind of think the guy got really, really lucky, because an inch or so either way and she might well have lived.
Derek