In the books and films, Snape, a professor at the Hogwarts School of Witchcraft and Wizardry, was a 30-something, ...
Such was the dangerous nature of the Spell that it hits in the general direction of the wand, making it deadly to bystanders ...
The Harry Potter books have many secrets that fans don't know about, and this is most proven in characters like Severus Snape.
Snape - even then right in Voldemort's inner circle - must have known that Wormtail was a fellow Death Eater and a traitor to the Order. He therefore knew that Wormtail would use his Ëœfriendship ...