Chapter 872

As Nicole walked and observed, she found that there were four surveillance cameras in the lab. All were pointing in different directions, one of which was pointing at the freezer. Nicole checked the freezer, and there was no sign that it had been broken into, showing that it was not an outside job. "Who else can come into the lab besides you?" "No one else has a key except me." "Are you sure?" "I'm sure." Martin nodded affirmatively. "Then it is hard to explain it. Since the key is with you, anyone who wants to come in must come to you to get the key. Without the key, they could only break in. But the doors and windows have no signs of being pried." Nicole said after examining the environment in the laboratory. "Are you sure you have carefully checked the security footage of these four surveillance cameras?" Martin nodded his head vigorously. "Where are you going?" Martin saw Nicole heading out the door and thought she was leaving. "I'm going to take a look outside." Nicole st