Murder and MI5: How an extraordinary battle erupted over what the state keeps secret

Can the state, especially when it is implicated in killing, be trusted as the arbiter of what should remain confidential?

​Murder and MI5: How an extraordinary battle erupted over what the state keeps secret Can the state, especially when it is implicated in killing, be trusted as the arbiter of what should remain confidential? Can the state, especially when it is implicated in killing, be trusted as the arbiter of what should remain confidential?