TED - The Dark Secrets of a Surveillance State

http://www.ted.com/talks/hubertus_knabe_the_dark_secrets_of_a_surveillance_state?language=en

surveillance - when someone is watched carefully, especially by the police or army, because they are expected to do something wrong
dissolution - when an organization or an official arrangement ends
wiretapping - the ​action of ​secretly ​listening to other people's ​conversations by ​connecting a ​listening ​device to ​their​ phone
whistle-blower - a ​person who ​tells someone in ​authority about something ​illegal that is ​happening, ​especially in a ​government ​department or a ​company
dissident - someone who criticizes their government in a public way
detain - to keep someone somewhere and not allow them to leave, especially in order to ask them about a crime