The Parking Lot Break-In

The case file

Between 7:30 PM and 7:55 PM, the lot's floodlight motion sensor tripped -- and a car was broken into. Four people were nearby that evening. Whose alibi falls apart?

The rule: Every finding below comes from a verified record -- logs, cameras, receipts. Exactly one suspect's story contradicts the evidence.

The clues

1. Lena Brooks: A camera at river toll plaza recorded Lena Brooks at 7:07 PM. The shift log shows Lena Brooks clocked in at the office at 7:44 PM. The keycard log shows Lena Brooks badging into north garage at 8:11 PM.
2. Marcus Vale: A camera at river toll plaza recorded Marcus Vale at 7:12 PM. Phone tower records place Marcus Vale near the office at 7:43 PM. The shift log shows Marcus Vale clocked in at downtown at 8:03 PM.
3. Peter Aldis: A camera at river toll plaza recorded Peter Aldis at 6:57 PM. A parking receipt puts Peter Aldis's car at north garage at 7:10 PM. Phone tower records place Peter Aldis near downtown at 7:37 PM.
4. Tessa Quinn: Phone tower records place Tessa Quinn near north garage at 7:08 PM. A camera at the office recorded Tessa Quinn at 7:41 PM. Phone tower records place Tessa Quinn near riverside park at 8:12 PM.

Who did it?

1. Marcus Vale
2. Peter Aldis
3. Tessa Quinn
4. Lena Brooks

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