Make the fake blood by combining the corn syrup and food coloring into a bowl and stirring until the color is consistent throughout.
Using a decorating tip, make a hole in the top of each cupcake, saving the remnants from each hole for use filling the hole in a moment.
Place 1 tspn of the fake blood in each cupcake hole.
Replace the top of each cupcake hole.
Using your largest star tip and a piping bag, frost the cupcakes in a circular fashion.
Drizzle each cupcake with ample amounts of fake blood.
Enjoy!