The mystery awaits.
A radio frequency detected at 3:47 AM. Source unknown. Pattern matches no known transmission protocol. Signal lasted 11 seconds before vanishing.
A key found at the scene matches the lock perfectly, but forensics confirm it was manufactured after the door was sealed. Temporal inconsistency flagged.
Three independent witnesses describe the same figure: tall, wearing gray, walking east at 11:00 PM. Cross-referenced and confirmed. Lead active.