According to the paper, one such example are cameras at an airport or bus stations with an autonomous system flagging a bag abandoned for more than a few minutes.
"One of the department stores down on Boylston Street submitted video system which has confirmed that a suspect is seen dropping a bag near the point of the second explosion and heading off, " Murphy said.
These vehicles' front passenger airbags may not deploy in the event of a crash because of a possible problem with their occupant classification system, which gauges the size of a passenger and based on that whether an air bag should be deployed.
It is a sad indictment of Republican short-sightedness that all discussion of creating the flatter, simpler tax system that the party is supposed to favour has given way to squabbling over a grab-bag of politically-appealing goodies.