I have around four already open, are there more? I saw some doors with locks and thought they were additional FT points in Boston.
A side comment: I find this game to be worse than Rockstar's GTA and RDR when trying to explain new game play elements. Plus some of this things are not listed on the in-game user manual. Aaaaand I have played all of the console ACs!
2005: Console gamers (the early adopters) become pay-to-play game testers for bugs & glitches. Stanley Woo: "we, BioWare, don't owe you a patch"