Now luckily for the two men you had cursed into the bodies and minds of mice
magic is a finite commodity,used much like gasoline or
coal,to alter reality untill its switched off or
the supply runs out.
So no,the Sheriff of this region did not stay a mindless mouse forever,but came
to his senses,be it with a splitting headache,a few days
after your warlock rampage in the town.
Because clearly you were not a wizard,but a warlock.
After all,you had prevented the Sheriff's brother from making a lawful
arrest of the witch known as Mary.
So it wasn't long after his return to human form that the Sheriff rounded up that brother
of his,as well as other concerned citizens to
his gaol.
He handed out the crossbows ,the arrows tipped with Francis Bacon's explosive black powder
and plenty of vials of anti-magic antidotes.
They saddled up their horses and rode out of town at midnight,to hunt down and eliminate
the warlock:you