If these are the primary characters, then you have identified the answer to why Boston was the target city.
In an earlier comment, you expressed doubt whether other cities were included in the device planting as was claimed in the report. You're probably correct.
Fox just reporting a second arrest. Said the men were hired by Turner Broadcasting. Reports are mixed whether Turner or the advertising group initiated and executed this stunt.
Thanks for the update and please keep me posted...lots going on at home(as usual...lol)