[Ward Smythe]

And the bad guy drinking the unicorn blood is surely coincidental too.

There are unicorns in Brazil?

[Aquinasfan]

There are unicorns in Brazil?

The article states that the boy's body was drained of blood. What do you suppose the black magic practitioners do with it?

Coincidentally, Voldemort, the chief practitioner of black magic in HP drinks the blood of a unicorn to gain some kind of power.

You could probably do a search on "Satanism + blood drinking." I don't have the stomach for it right now.

[JoeSchem]

And the bad guy drinking the unicorn blood is surely coincidental too.

There are unicorns in Brazil?

There aren't any unicorns anywhere. So the next best choice is human blood.