10 1 0As all achievements, this achievement is story related, No need for a guide if you don't like spoilers. *** Spoiler - click to reveal ***You will first have to interrogate the shooter. Police will arrive and choose to either stay or leave. You will have a short conversation with Alfred once you are back in the batcave. Use the batcomputer afterwards. You will have some evidence to allow an arrest of Falcone. You can either choose the journalist Vickie or officer Gordon to give the information to. You will have a meeting with either one of them, depending on who you choose. You're not properly dressed for the party where Falcone is at, so you'll have to change in the car.You'll land on a nearby roof and you will need to observe the building. On the far right, examine the office. Afterwards, you'll need to examine all 4 mobsters and put down a plan of attack. Link the - outer wing gunman to the modern art- seated gunman to the large coffee table (or to the folding screen)- entryway gunman to the marble pillar- balcony gunman to the balcony railingOnce that's done you are set up. Choose "I'm going in". Execute the plan by doing the QTE's. You'll take down quite a few mobsters and eventually you'll have Falcone trapped on the edge of the building. Choose to either arrest (left hand side) or brutalize (right hand side) him. You'll learn that according to Falcone the Wayne's are the biggest gangsters in Gotham!