Before attempting to get the "I Wasn't Even There!" achievement, you should buy the following skills from the Ghost and Mastermind skill trees: Dominator, Endurance, Fast Hands, Shinobi, and Sprinter. If you try getting this achievement alone, it will take approximately 30 minutes. While playing with a team of four players, you can do it much quicker. You will spend most of your time running around and bringing loot bags from one place to another. In the Framing Frame (Day 3) mission, there are a total of five guards in the mansion. Use the Dominator skill to make them handcuff themselves. If the vault is behind the bookshelf in the bedroom downstairs, you will not be able to do this solo because it is too far away from the computer. Thus, simply pause the game, and restart the mission. It is completely random where the vault and other mission items spawn. After all guards are handcuffed, you can destroy the cameras and look for the five items. Once you have the items, go back to the roof, and set them up. You will now get several bags of coke. Bring the bags down to the vault. After all the bags are in place, you need to use the computer in the office. Using it the first time will open the vault, and using it a second time will disable the laser system. The lasers are the only tricky part in this mission. They will turn back on after a few seconds. Get into the vault as quickly as possible, and grab only one bag of gold. The lasers will beep three times before turning back on. If you do not get out of the vault in time, you will be trapped inside and have to start the mission from the beginning. Keep going back to the computer, override the laser system, grab another bag of gold, and bring it up to the roof. Do this until you have all the gold, and throw it below the zipline. If you do all this without triggering an alarm, you will get the achievement after reaching the extraction point.