Fireworks were set off on the night of July 19 as teens swarmed the Gilbert In-N-Out Burger, a common backdrop for southeast Valley beatdowns that go viral.
Bridget Vega, a Gilbert resident and community advocate who was present, said she called police to warn them that a horde of teens would likely descend upon the restaurant near Williams Field Road and Market Street after a massive Saturday night party nearby.
Vega and another parent, knowing the In-N-Out to be a popular meeting place for teens before and after parties, decided to stake out the restaurant after seeing party promotions online. She estimated roughly 150 teens were gathered there…