Slice hard boiled eggs in half lengthwise with a serrated knife.Remove yolks, place in mixing bowl and place the egg whites on a plate, place in refrigerator while preparing the yolk filling. Mash egg yolks with a fork. To make the filling add mayonnaise, brown mustard, Tajin, salt and pepper to the mashed egg yolks. Stir until well combined. Fold in the crumbled bacon.Spoon the mixture back into the cavity of the egg white. Garnish with additional bacon and chopped cilantro.