The only thing Chloe knows about the girlfriend is that Shaw keeps the bullet that killed her in her coat pocket and the girlfriend would think that's romantic. It might not be surprising if this is her.

“We got chased halfway across town by a ghost bear one time.” So normal stuff, really. “And then later she helped out with guard duty when we were getting stalked by a sleep demon or something. She’s great, really. Reminds me of the girl I was working with before I got here.”