Twice?

Hailie was positive she was going insane. She was in the information room again, staring at the memorial piece.

After her talk with Sadie and Walter, she agreed to wait for them until they get back. What she didn’t agree on, was getting locked in this boring room. She didn’t have a signal so her phone was basically useless. She tried to go through Bryan's files and gather as much information as she could, but either they were coded or she was dumb, she couldn’t understand a single word of them.

Why were there so many secrets? Why couldn’t her friends tell her about everything? Did they have powers? She saw Walter wrapping a gold bandana around his wrist before he hugged her goodbye. But Sadie didn't.