A/N: I don't even want to pretend I hold any rights to Harry Potter, nor that I could possibly ever make any profit from writing this. IMHO: the entire series would've been prevented if something akin to this event had happened. Special thanks to Matatabi (please don't die on me. I need a beta.)
They'd known he'd be coming.
They 'd hidden, in secret places, behind oaths and solemnity, but no one truly believed that any of it would stop him. One way or another Voldemort would find the Potter's, find Harry, and something would have to be dome.
While James could only think in terms of wizards and witchcraft and potions, Lily drew from her Muggle life and made her own backup plans.
When the door burst open in the middle of the night, wands drawn, spells at the ready, Lily Potter ended a tyrants reign with a single shot, square in the forehead.