The next morning, Owen, the secretary, brought bad news. St. Drew Kindergarten's circuits had just been overhauled the day before yesterday, and the surveillance system had not yet been activated.
This meant that the murderer who had hurt Ryan yesterday had left no trace from beginning to end.
Ryan had identified all the staff and faculty at the kindergarten one by one, and he did not recognize anyone who resembled the assailant, meaning that it was highly likely that the murderer was from off-campus.
Daniel, an experienced bodyguard, analyzed, "With the circuit overhaul the day before yesterday, many workers entered the kindergarten. Yesterday was the sports meet and the kindergarten's open house, and many parents and volunteers from the surrounding community came to help prepare food
