Do L.A. Unified's daily random searches keep students safe, or do they go too far?

L.A. Unified requires daily random searches for weapons using metal-detector wands at all of its middle and high school campuses, including Hamilton High. L.A. Unified requires daily random searches for weapons using metal-detector wands at all of its middle and high school campuses, including Hamilton High. Kevin Castillo was in his freshman year at Hamilton High School when administrators carrying hand-held metal detectors interrupted his English class to conduct a random search. They asked a student to pick a number between 1 and 10. The student chose 7, so every seventh person in the class had to gather up belongings and step out of the classroom.