Surviving the World
A Photocomic Education by Dante Shepherd
Lesson #497 - Hiding the Truth
This is the case for any conspiracy, cover-up, or lie of any type. Truly. Your pursuit of the truth may just be operating on completely the wrong timetable. Wait about 150 years for super-forensics to come out, and they'll have the answer for you.
Super-forensics, of course, is a mixture of telepathy, bone analysis, bloodhounds, time travel, artifical intelligence, and hypnotism.