After ensuring that the Dark Wizard in the house was magically bound, to be collected later by the Aurors, Hermione headed back to the street to check around her surroundings. That was when she noticed Draco talking to someone, who he had identified as Greggory Goyle.

From her position on the street, Hermione saw the second Death Eather sneaking round. "Stupify!" With a quick reflex, Hermione cast her spell at the target.

And she moved forward slightly. "Watch your back Draco!"