Document:Green Circuitboard Fragment - PT35
| "The most important piece amongst PT35 is the fragment of green circuitboard – PT/35(b)." |
Memo by Allen Feraday dated 21 January 1990Subjects: PT/35(b), MST-13 timer, MEBO, Thomas Hayes, Stuart Henderson, Thomas Thurman, Pan Am Flight 103/The Trial, Abdelbaset al-Megrahi
Source: RARDE (Link)
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MEMORANDUM
TO: Det/Supt Fetrie (via)
SIO LOCKERBIE
Date: 22. 1. 90
Subject: GREEN CIRCUITBOARD FRAGMENT – PT35
Dear Stuart,
I am in receipt of your FAX message of today (22. 1. 90) concerning the circuitboard fragment (PT35).
Briefly, the history of the green cicuitboard fragment is as follows:
Item PI 995 originally consisted essentially of a charred fragment of grey material which is now known to have been part of the grey 'SLALOM' brand shirt. Trapped in amongst the shirt fragment were the following:
- (a) Small fragments of black plastic consistent with the case of the Toshiba radio.
- (c) Minute fragment of metal and wire. And,
- (d) Many multilayered fragments of white paper bearing black printing. These are identified as originating from the Instruction Manual of the SF-16 Toshiba Radio.
Sub-items (a), (b) and (c) above are now isolated from PI 995 and are collectively now identified as item PT35. The most important piece amongst PT35 is the fragment of green circuitboard.
Bearing in mind from which item the fragment was recovered (the SLALOM shirt) and that it was found in association with other 'prime' pieces of the radio and its instruction manual it is considered that the green circuitboard fragment may also be of prime importance.
The other fragments recovered from PI 995 clearly originated from close to the exploding device and the circuitboard. Fragment is also seriously blast damaged consistent with its close involvement. It must therefore be considered that the fragment may be part of the IED mechanism/circuitry itself. If that proves to be the case then it would be the only piece of the IED mechanism which has been recovered.
Identification of the fragment of green cicuitboard could therefore assist in determining how the Toshiba radio was modified and hence possibly which group was responsible.
I had hoped that I might have been able to provide a 'Flying Start' to any enquiries connected with the green circuitboard but unfortunately I have so far drawn a blank. However, I do feel that the fragment is potentially most important to your investigation and do advise you to commit resources and manpower to its identification if at all possible.
Please forgive this hurried handwritten reply, assuring you of my continued support whenever possible,
Yours faithfully,
A W FERADAY
Hd/F.E.L.
