Some of the Terminus mercs who attacked Elsyium were humans who disguised themselves as Alliance personnel to attack key defense installations and confuse the defenders.
Cue Shepard runs into a group of them and initially being relieved to see more friendly troops, but she realizes that something feels off about them. Their military bearing, the informality of his they speak to each other. A bit of slang they get wrong. They say they're from a frigate, the Boston but frigates aren't named for cities...











