Man Tattoos Image of Poop on Ex Girlfriends Back [PHOTO]

A man is being sued after tattooing a large image of poop on his ex girlfriend's back.  The man found out his then girlfriend was cheating on him with his longtime friend. 

You can find the picture of her tattoo here on veryweirdnews.com.  Did she deserve the tattoo after cheating?  Should the tattoo artist be sued?