They might be trying to cover up something else that isn't the conspiracy theory. Suppose there's a theory that some person got suicided in jail. And a lot of

They might be trying to cover up something else that isn't the conspiracy theory. Suppose there's a theory that some person got suicided in jail. And a lot of security footage got deleted. It could be that the prison guards were torturing the person in the cell for information that they could use to blackmail important people, and covering that up and there was not (yet) a higher level call for the person to be suicided. Not saying that's the case in any particular incident, just conjuring a hypothetical example.