paranoid:
1. Relating to, characteristic of, or affected with paranoia.
2. Exhibiting or characterized by extreme and irrational fear or distrust of others: a paranoid suspicion that the phone might be bugged.
Hybrid can you tell me who killed JFK?, princes Di, what really happened? who bombed Pearl Harbour? Who blew up the World Trade Centre? Did Kurt Cobain shoot himself? Is Elvis still alive? The moon landing was a hoax right?
Every major event in history has a conspiracy theory attached to it...