A Polyjuice question - not REALLY related to HBP

[Milz]

No: HPFGUIDX 133497

--- In HPforGrownups at yahoogroups.com, "TrekkieGrrrl" <trekkie at s...> wrote:
> I started a theory, right after reading HBP for the first time, that
the Snape we see is really a polyjuiced Bellatrix. For several reasons
I've abandoned that theory now, but it still makes me wonder about one
thing regarding Polyjuice:
> 
> You can make it with hair, right? That's what the Trio does in CoS.
> 
> So WHY did Crouch Jr. have to keep Moody alive? Why not simply shave
the man bald and use one hair at a time? I mean you have THOUSANDS of
hairs... so there's really no need to keep someone alive just to have
ingredients for Polyjuice, is there?
> 
> And I'm still kindo f bothered about that whole wat of Polyjuice
that went missing in HBP. Sure Draco used some of it to disguise
Crabbe and Goyle... but... Well.... I just wonldn't be surprised if
there were more polyjuiced persons in that story. Almost everyone was
acting so OOC that it in some places almost made me cringe...
> 
> ~Trekkie

Crouch Jr. probably kept Moody alive in order to extract information
that only Moody would know. If Crouch had to convincingly impersonate
Moody, he would have to know enough about Moody to avoid
suspicion---which he apparently did, because Crouch Jr. even fooled
Dumbledore.

Milz