These notes were subpoenaed by special prosecutor Kenneth Starr on June 21, 1996.
Ken Starr subpoenaed these notes which depict a murder confession in June of 1996. 
mnli hypothesis: Ken Starr subpoenaed these notes which depict a murder confession in June of 1996.  premise: These notes were subpoenaed by special prosecutor Kenneth Starr on June 21, 1996.