Doesn't Voldemort know about Snape's loyalty?

[mnaper2001]

No: HPFGUIDX 107551

> Neri wrote:
> > But I do believe that Snape didn't completely wormed his way back
> > into Voldy's good graces. The proof: he didn't know about the plot
> > to lure Harry to the DoM, and he wasn't ordered to do it himself,
> > although from Voldy's point of view he was perfectly situated to
> > do just that.
> 
> Ariston:
> Hmmm... well, if Snape *is* acting as a double agent (yes, it's a
> big if, but I still think it's an open possibility, see below) -- if
> he is acting as a double agent, then both sides realize that he has
> to look like he's accommodating to the other side. So it wouldn't
> make sense, for example, for him to be the one to actively lure
> Harry to the DoM. <snip>
> 
> Neri again:
> I also tend to the possibility that Snape is a double agent, and in 
> general I agree with what you wrote. However, this argument doesn't 
> hold anymore if one of the sides believes it's end game. In Voldy's 
> case, he thinks (and with a very good reason) he can capture both 
the 
> irking Potter and the Prophecy in a single move. This looks very 
much 
> like the decisive blow that will win the war for him, and for such 
an 
> objective blowing Snape's cover would be worthwhile. So it seems 
> Voldy values Snape enough not to kill him, but not enough to trust 
> him with the most important missions. 
> 
> Neri

Ally:

I think it depends on Snape's role within the DE organization.  I've 
always sort of thought that Snape's job with V was to serve as a spy 
in Hogwarts.  Based on the timing, Snape would have taken the job at 
Hogwarts while V was still at the height of his power, before the 
Potters were killed.  Either he was already working for DD and they 
set it up together, telling V he could be a spy inside Hogwarts when 
he was actually spying for DD, or he started out spying for V and 
then switched sides after he was inside DD.

In any case, V might not want to put such sensitive information 
inside Snape's head, perhaps for fear DD would somehow find out, just 
as he eventually figured out Barty Crouch was working for him.

V apparently considers DD dangerous enough to be afraid of him, so 
why disclose the DOM scheme to someone who is in close contact with 
your most hated and powerful enemy if you don't have to?  Assuming he 
hatched the scheme after he realized he had contact with Harry, it 
would make the most sense to use THAT way to lure Harry - since 
apparently, V does not know that DD's and Harry's relationship is 
anything more significant than headmaster to student.  HE would think 
he could manipulate Harry on his own with less risk of DD finding out.

Plus, V may have figured that Harry/DD would be leery of trusting 
anything that seemed unusual in a Professor after the Barty Crouch 
thing, so he probably figured his way was the most fullproof.