robbery. don t look down. the second longest escalator in the western hemisphere. they just unveiled this fastest moving staircase it rises 106 feet along the diagonal and takes three minutes to get all of the way to the top or bottom. there s new evidence that is helping them hunt for the killer of the hitchhiking robot who traveled the world only to be murdered on the streets of philadelphia. a horrible tral de unfold. good morning to you. we have this video. it is unclear whether or not it is official surveillance video. you can see the attack it all happened here on alfred avenue the most historic alley in the