The Timestamp Trail

The case file

Someone broke into the warehouse last night. The logs below are all verified -- the order has to be reconstructed. What happened first?

The rule: Every finding below comes from a verified log. Reconstruct the order of events.

The clues

1. The camera log shows the hallway camera flagging motion at 1:54 AM, after the alarm tripping.
2. The phone log shows the 911 call being placed at 2:24 AM, after the hallway camera flagging motion.
3. The sensor log shows the storage-room motion sensor firing at 2:01 AM, after the hallway camera flagging motion.
4. The door sensor log shows the rear door sensor tripping at 2:27 AM, after the hallway camera flagging motion.

Who did it?

1. the hallway camera flagging motion
2. the storage-room motion sensor firing
3. the alarm tripping
4. the 911 call being placed

The verdict is still sealed. The answer is revealed here tomorrow — or play today's case and render your own verdict now.