KILLING NO MURDER is a pamphlet published in 1657 during The Protectorate period of the English Interregnum era of English history. The pamphlet of disputed authorship advocates the assassination of Oliver Cromwell. The publication was in high demand at the time of its distribution. Cromwell was said to have been so disturbed after the publication of Killing No Murder that he never spent more than two nights in the same place and always took extreme precaution in planning his travel.