The Joker presents : a puzzlebox

"It's story time! The G.C.P.D have a mysterious corpse, a magical box, and a murderer's row of the city's most dangerous villains sitting in a jail cell. Now all they need to figure out is what exactly happened. Fortunately, one suspect is willing to talk. Unfortunately, it's The Joker... The mystery of "WHO KILLED THE RIDDLER" heats up as Joker, now incarcerated and under interrogation by Commissioner Jim Gordon, retells his version of events, s...