Mystery: Diet Coke Disaster

Summary
There has been a recent outbreak in Diet Coke addiction. It's time to check out the Diet Coke headquarters and see what they're up to.

Tutorial
Go to the 3rd floor of the corner offices. Talk to the desk worker and answer him with "August 9, 1982". Go into the conference room. Walk into the giant Diet Coke can and climb up the truss. Talk to the corrupt workers. Once you are jailed, buy Mentos from an inmate.

Trivia

 * Ptah70 created this mystery because he hates Diet Coke.