-Yes, the " it said that they walked together too, but the only other interaction they had was him stopping the guy from choking her in the beginning...." is a little bug. MC and BB do walk with each other, but not in the route you played.
-"I choose to ask his name and mc says he broke into the store for her?" did you ignore Lane's text at the start of shift 2 ? If not,then its another bug.