If a top secret group is plotting against the government, how one would feel about it would depend greatly on the type of alternative government the group was proposing. America is the result of a successful revolution.
The journalist uncovered evidence that a cabal of power brokers was plotting to overthrow the government.
The government accused the group of plotting sedition against the state by inciting violence and rebellion.
making secret plans jointly to commit an unlawful or harmful act
The Boxer Rebellion.
sons of liberty
Sector 7
He had a group of "secret police" called the Gestapo.
An amnesty.
amnesty
A secret terrorist organization against African Americans is a group called White Supremacists. Many of the actions that these people do are not punishable by law, but the government now has stricter laws regarding hate crimes. They might also call themselves the Aryan Brotherhood.
In 1900, a secret group known as Boxers, led an uprising in northern China. They were protesting against the spread of Western and Japanese influence there.
"Conspiracy" refers to a secret plan by a group of people to commit an unlawful or harmful act. It often involves individuals coming together to plot or scheme in a secretive manner.