What conspiracies do you think might have some credibility to them?Watch
It seems to me that the most outlandish ones IMO are: the Moon Landing Hoax, Chemtrails, etc... Just seem to complex to run. And I've heard that the U.S. didn't have technology to fake the moon landing but did have technology to travel to outer space.
The ones I think might be true are false flag events. Mainly 9/11 and 7/7/. At the least I think that the U.S. and U.K government allowed an attack to justify a war in the Middle East. That doesn't seem too far fetched.