. >> this is a message from anonymous to the bay area rapid transit system b.a.r.t. >> reporter: this summer, anonymous attacked the san francisco area's public transportation system, b.a.r.t. b.a.r.t. had cut cell service within the transit system as a way of disrupting anti-police brutality protests. anonymous's reaction was devastating and vicious. >> we will not issue anymore warnings. >> reporter: opbart included the release of a naked photo of a senior b.a.r.t. employee. >> sometimes it kind of makes you laugh, sometimes it makes you cringe, sometimes it makes you laugh and cringe at the same time. all of a sudden, you're like, oh, my gosh, there is this, you know, dagger that's being thrown. >> and a naked photo. >> and a naked photo. >> do you feel like there is a fear out there of, you know, what they could possibly find or leak about a certain individual? >> absolutely. i mean, that's what makes them who they are, is that they are kind of bad boys and rude boys, to some degree. there is a dual sort of fascination and horror that goes on at the same time. >> be aware, be vigi