Mexican Restaurant Offers Free Burritos to Make Up for Bloody Diarrhea Neetzan Zimmerman · 09/13/13 08:05AM Following a "bloody diarrhea outbreak" that left 74 of its patrons wondering why their God had forsaken them, Federico's Mexican Food in Litchfield Park, Arizona, is begging people to "come back" — and offering them free burritos if they do.