19 June 1990
According to the HOLMES statement of Henderson (S4710J) on 19 June 90, he
learned that FBI officers at the explosives lab in Washington had identified an area on
a timer in their possession – K1, DP/84 – which they thought was identical to
According to his HOLMES statement (BS), on this date Williamson was told by
Henderson to contact Thomas Thurman, who Williamson knew had received a
photograph of PT/35(b) (which the statement records was not a production) and a
copy of Williamson’s prepared descriptive report DP/141.