Dallas shooting: Experts say use of bomb robot a "first"

The killer robot is here.Police rigged a bomb-disposal robot to kill an armed suspect in the Dallas police shooting , in what appears to be the first time U.S. police have used a robot for lethal purposes. As such, it may represent the latest escalation in the use of remote and semi-autonomous devices by law enforcement.Police have been using such robots for decades for bomb disposal and in hostage standoffs and fires. Meanwhile, militaries around the world have come to rely on their robotic fri