Complex sentence: Assistant Director of CSIS William Hooper assured the Canadian public the interrogation was not intended to secure intelligence for a United States prosecution, but said that the information was all freely shared with the Americans without securing any guarantees, such as foregoing potential death penalty charges.
Split into simpler sentences: Assistant Director of CSIS William Hooper assured the Canadian public the interrogation was not intended to secure intelligence for a United States prosecution. He said the information was freely shared with the Americans and the Canadians did not secure any guarantees, such as foregoing potential death penalty charges.