Yep, wild hogs do get a taste for fawns, i've seen them in action.
i would use my .50 caliber TC Black Diamond muzzleloader with its Minox Z 3, 3-9X 40 scope. The sabot would be a crush rib and the bullet a 270 grain .430 caliber hard cast. The powder charge=100 weighed grains of Black MZ.