Tough Shot 3: Trotting
This shot comes mainly to standers on drives, and there are two ways to do it: Lead the buck as you would a bird, or pick a spot where he will pass, hold on that spot, and shoot the instant he moves into it. If you choose the former, I can't tell you how much to lead because there are too many variables involved. The best advice I can give is that it's far more blessed to aim too far ahead than too far behind; you'll either miss clean or hit something vital. Aim too far behind and you'll have a gut-shot deer on your hands. Keep the gun moving before, during, and after the shot.

If you choose to pick a spot and wait, remember that timing is everything. Hold on the front third of the shoulder. The deer covers ground even in the milliseconds it takes for the bullet to travel from muzzle to animal.