It seems to look like from the trailer for Episode 7 that Halsey is gonna be the traitor after all. She’s talking to Jul directly as she says they both want The Librarian. Also something seems to be wrong with Roland. Do you think that Halsey is the traitor on our side?
We have 2 active discussions that cover the subject you’re addressing:
https://forums.halowaypoint.com/yaf_postst181150_Who-is-the-traitor.aspx
https://forums.halowaypoint.com/yaf_postst181564_Spartan-Ops-Episode-7.aspx