Chapter 90

There are two keys to the office of the mine, one is left in the Galton Group for backup, and the other is in the hands of Caleb Cooper. When Sophia Mitchell and Ryan Brown came to the office in the morning, the door of the office building was unlocked, only the door of the supervisor's office was locked, and there was no sign of breaking the door lock, so the person who attacked Caleb Cooper last night had the key . Caleb Cooper said, "But my key has always been with me." Sophia Mitchell asked, "What about when you're not around?" "I'll take it away when I'm not around, except Aunt Cleaning..." Caleb Cooper suddenly thought of something, and slapped his thigh, "Yes, Aunt Cleaning, when I was away, the key was given to Cleaning , she will come to clean it every three days." During that time, if someone took the key to make a spare, it was entirely possible. "William Jackson, send someone to the cleaning compa