The U.S. Bancorp Tower has added a new member to its security team: a robot. Nicknamed Rob, the robot stands at 5 feet, 5 inches tall and weighs 420 pounds. Like some other large cities around the ...

There is now a security guard robot patrolling the U.S. Bancorp Tower in downtown Portland. Unico officials say "Rob," the 5-foot-5-inch, 420-pound Autonomous Security Robot (ASR), began ...