Русско-англо-русский юридический словарь

act of terrorism – the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear (vocabulary.com)

A voluntary confession is a confession that is given out of a suspect’s own free will, and has not been obtained by force, coercion, or intimidation. - See more at: http://www.legalmatch.com/law-library/article/voluntary-confessions.html#sthash.YK4WwYDv.dpuf (LegalMatch)