▁old ▁m ansion ▁owned ▁by ▁an ▁American ▁friend ▁Paul ▁Joseph ▁Ar nab old i , ▁in ▁Car no ▁near ▁L lan id lo es . ▁The ▁m ansion ▁was ▁watched ▁by ▁police ▁from ▁an ▁old ▁car avan ▁and ▁people ▁arriv ing ▁were ▁monitor ed . ▁Lee ▁instruct ed ▁police ▁to ▁break ▁into ▁the ▁m ansion . ▁In ▁the ▁cell ar , ▁police ▁took ▁water ▁samples ▁which ▁chem ically ▁matched ▁L SD ▁samples ▁the ▁police ▁had . ▁ ▁K emp ' s ▁home ▁was ▁now ▁put ▁under ▁ 2 4 - hour ▁surve ill ance ▁and ▁listening ▁devices ▁were ▁installed . ▁ ▁Lee ▁also ▁instruct ed ▁two ▁under cover ▁officers ▁to ▁in fil tr ate ▁the ▁small ▁community ▁of ▁L land de wi ▁B ref i ▁to ▁target ▁Al ston ▁Hugh es . ▁ ▁London ▁connection ▁ ▁In ▁October ▁ 1 9 7 6 , ▁a ▁police ▁team ▁based ▁at ▁R AF ▁Hend on ▁monitor ed ▁a ▁house ▁in ▁Se ym our ▁Road , ▁Ham pton ▁W ick . ▁This ▁was ▁the ▁L SD ▁labor atory ▁run ▁by ▁Tod d ▁and ▁Mun ro . ▁G lass ▁ut ens ils ▁used ▁in ▁this ▁labor atory ▁had ▁been ▁secret ly ▁marked ▁by ▁police ▁at ▁the ▁factory ▁that ▁produced ▁them ▁in ▁York shire . ▁ ▁Ra ids , ▁arr ests ▁and ▁trial ▁ ▁On ▁ 2 6 ▁March ▁ 1 9 7 7 , ▁after ▁ 1 3 ▁months ▁of ▁surve ill ance , ▁Operation ▁Jul ie ▁officers ▁swo oped ▁on ▁ 8 7 ▁homes ▁in ▁Wales