"A souvenir from a previous life, why hold with a hand when a hook will suffice?"
Location: GCPD
Scan the photo frame beside Cash's front desk.
"Business is best when Bats need killing, a mercenary's life should receive top billing."
Location: GCPD
Enter the comms room and scan the photo on the wall beside Sgt. McAllister
"Always looking for names to besmirch, where does this newsman conduct his research?"
Location: GCPD
Go to the Interrogation room and scan the table where Jack Ryder is conducting his research.
“"Hope shines brightly in a city this dark, find the source of that signal and you'll soon hit your mark.”
Location: GCPD roof top
Go to GCPD's rooftop and scan the bat signal lamp.
"She stands at our center that we may not weaken, a symbol of hope, a towering beacon."
Location: Lady Gotham Statue
Just get to the Lady of Gotham statue and scan it.
"Bones stripped bare beneath a warning light, pay heed, seafarers, not to feel his bite."
Location: Lighthouse, NE of Ace Chemicals
Scan the pile of smoking bones and ashes inside the lighthouse.
"Joining your mission can come with a cost, this empty reminder shows just what she lost."
Location: Inside the clocktower. Use the RHD to open the compartment. Scan the Bat Girl costume to solve the riddle.
"I bet you weren't invited to this lavish do, I wonder how many went dressed up as you?"
Location: In the clocktower's lower offices. Find the poster of the Masquerade Ball and scan it.
"An open house for bed and dinner, is this sanctuary run by saint or sinner?"
Location: Urbarail station north
Find the Deacon's Mission building in street level, west of the station.
"A bat uses these to see at night, the doc's didn't work and his cure caused a fright."
Location: Kirk Langstrom's lab
Go back to Kirk Langstrom's lab in northern Chinatown. Scan the ear drawing on the whiteboard.
"Overgrown, abandoned, the inmates set free, madness could never be held in me."
Location: Falcone Shipping Antenna
Head to the Falcone Shipping Antenna and press R3 to enter first-person mode. Scan the remains of Arkham City across the coast.