Ana arrives at Little Stars Preschool at exactly 3:15 PM like every day for three months. She parks outside the colorful building and walks toward the entrance.

But something feels wrong.

Too many cars in the parking lot. Parents talking in worried groups. No children playing on the outdoor equipment.

Ana's heart starts beating faster.

"Excuse me," Ana asks another parent. "What is happening?"

"There was an incident. Police are inside talking to teachers."

Ana runs toward the building. A ...