Or perhaps facial recognition would leave even less time for decision making.
Someone who's face resembles that of a known terrorist was detected entering the station 8 seconds ago. He's carrying a backpack and will be on a crowded platform in 37 seconds time. There are armed police in the ticket hall. What do you do? Only 31 seconds now...
Someone who's face resembles that of a known terrorist was detected entering the station 8 seconds ago. He's carrying a backpack and will be on a crowded platform in 37 seconds time. There are armed police in the ticket hall. What do you do? Only 31 seconds now...