After the boss fight, utilize the Remote Grapple to create a bridge between the 2 Anchor Points atop. Then create another bridge to make your way across the door via the ledge. After the Penguin scene, follow the path by going down, enter the door below and head outside. Go to the door with the two guards via a ledge and enter the hotel, it is easy to find as long as you follow the waypoint. Activate the Evidence Scanner, then recreate the murder scene. For the shielded enemy, utilize the Aerial Takedown – B, tap X twice to beat him. Go back to the Batcave using a fast track and get the Concussion Detonator at the Batcave after the cutscene.
