"It's a heartbeat monitor," Marcus whispered, his coffee forgotten.
The email arrived at 3:02 AM, a ghost in the machine of the Global Transit Authority’s central server. {KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL-- UWqq
To a human eye, the subject line— {KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL-- UWqq —looked like a glitch, a digital sneeze of brackets and dashes. But to the database, it was a skeleton key. The single quote broke the lock, and the UNION ALL SELECT was an invitation: Don’t just look for the keyword; look for everything. "It's a heartbeat monitor," Marcus whispered, his coffee