August 1 called for a flight inquiry board to review Lt Bush's status. However, no records of this request or the flight inquiry board itself have been found. Regulations required such a review following the grounding of any pilot. Mother's Day Retired Colonel and former TXANG pilot William Campenni disputed the document dated Thursday May 4, 1972, which ordered Bush to report for a flight physical not later than May 14. According to Campenni, the squadron commander supposedly ordered Bush to report on a weekend when the base was closed. The Ellington Air Guard Base was closed for Mother's Day the weekend of May 13–14. The next Air Guard drill weekend was May 20–21. Bush's last day on base was Monday, May 15, 1972, according to the official record. Peter Tytell's analysis The CBS review panel led by Dick Thornburgh (a Republican and former U.S. Attorney General) and Louis Boccardi hired Peter Tytell, a leading document examiner, to analyze the four documents: concluded ... that (i) the relevant portion of the Superscript Exemplar (from a previously released TexANG document from 1968) was produced on an Olympia manual typewriter, (ii) the Killian documents were not produced on an Olympia manual typewriter and (iii) the Killian documents were produced on a computer in Times New Roman typestyle [and that] the Killian documents were not produced on a typewriter in the early 1970s and therefore were not authentic. Mother Jones Kevin Drum of Mother Jones said that believing the documents to be authentic was "delusional". See also Questioned document examination Dan Rather References External links Primary source documents Links to large PDF documents. The four CBS News Killian documents: Memorandum, May 4, 1972 Memo to File, May 19, 1972 Memorandum For Record, August 1, 1972 Memo to File, August 18, 1973 The six USA Today Killian documents: USA Today Killian documents The CBS four and USA Today six are the documents supplied by Bill Burkett to Mary Mapes. Bush enlistment documents (USA Today) Page 31 is a 3 Nov 1970 memo from the office of Lt Col Killian on promotion of Lt Bush. Peter Tytell's analysis from the Thornbourgh-Boccardi report, Appendix 4 News items "Questions Arise About Authenticity of Newly Found Memos on Bush's Guard Service" ABC News – September 9, 2004 "Some Question Authenticity of Papers on Bush" Washington Post – September 10, 2004 "False Documentation? Questions Arise About Authenticity of Newly