They appeared on the street below the building at exactly the time Michael's math had said they would, which told him their pace had been consistent the whole way across the eastern district, which told him they were disciplined in a way that most survivor groups were not.
He watched them from the watchtower.
Seven men, moving in the tight formation he had tracked on the pulse, and up close the picture was more detailed than what the signatures had given him.
Proper gear, all of it, not the assembled mismatched layering of people who had grabbed whatever was available in the first days, but coordinated equipment that indicates someone had planned before the world ended or had planned very quickly after.
Military surplus, the kind accessible to civilians prior to the collapse, had modifications indicating that it had been in active use for thirty days and had been kept up throughout all of them.
The weapons were the part he spent the most time on.
