They had de-wanded her with alacrity, which wasn’t entirely surprising. It was just her bad luck that she was happened upon by a well-organised snatcher battalion in the act of helping a stranded muggle couple and their young kid. The snatchers were clearly well marshalled, the force of their combined disarming spells knocked her to the ground immediately, her wand was sequestered, as the ominous sight of her foes poised to attack kept her frozen in place.