Illustration by Elizabeth Brockway/The Daily BeastAfter more than a year of relentless bullying, including a brutal, hair-pulling beatdown that was filmed and posted online, things got so bad for a 10th-grade cheerleader in Long Island, New York, that her parents put their house up for sale and tried to leave the area altogether—but not before the teen’s emotional support horse “was tragically killed in front of her by the veterinarian.”That’s according to a $6 million lawsuit obtained by The Da