Once this silencer was at the lab' there came a time when MDF dismantled the silencer (which Cook had previously done) and the ballistic expert found a small flake of dried blood between either the first two baffles, or between baffles five and six (depending upon which version of events you choose to accept as being true). What MDF then did (according to him) is hand the silencer and the flake over to the blood expert, John Hayward, who in turn set about analysing the flake of blood which produced the blood group activity, A, EAP BA, AK1 aqnd HP 2-1 - this activity was obtained from examination of the blood from this flake between 12th to 19th September 1985...