era ▁Col t ▁. 4 5 . ▁G lam organ ▁police , ▁assist ed ▁by ▁the ▁ 1 6 9 th ▁Bomb ▁Dis pos al ▁Unit , ▁used ▁a ▁metal ▁det ector ▁to ▁search ▁for ▁a ▁second ▁weapon ▁sus pected ▁to ▁have ▁been ▁used , ▁but ▁never ▁located ▁it . ▁ ▁Det ect ives ▁from ▁Scotland ▁Y ard ▁came ▁to ▁Sw anse a ▁to ▁assist ▁in ▁the ▁investigation ▁of ▁the ▁murder . ▁The ▁police ▁visited ▁every ▁house ▁within ▁ 1 5 0 ▁square ▁miles , ▁and ▁interview ed ▁ 2 0 , 0 0 0 ▁men ▁in ▁Sw anse a ▁and ▁neighbour ing ▁Aber d are ▁and ▁Car mar th ens hire . ▁ ▁More ▁than ▁ 3 , 0 0 0 ▁m ourn ers ▁attended ▁Dr ink water ' s ▁fun eral ▁on ▁ 2 ▁July . ▁She ▁was ▁buried ▁at ▁St ▁David ' s ▁Church ▁in ▁Pen ll er ga er . ▁ ▁A ▁description ▁of ▁a ▁person ▁of ▁interest ▁was ▁circul ated ; ▁he ▁was ▁described ▁as ▁approximately ▁ 3 0 ▁years ▁old , ▁with ▁" thick ▁fl uff y ▁hair ▁and ▁we aring ▁brown ▁cord uro y ▁tr ous ers ▁and ▁a ▁light ▁brown ▁sports ▁jack et ." ▁ ▁Police ▁also ▁circul ated ▁photos ▁of ▁the ▁American ▁army ▁issue ▁gun ; ▁not ably , ▁pers pe x ▁had ▁been ▁used ▁to ▁modern ise ▁the ▁original ▁wooden ▁stock s ▁next ▁to ▁the ▁g rip . ▁It ▁was ▁believed ▁a ▁similar ▁weapon ▁had ▁been ▁used ▁in ▁the ▁murder ▁of ▁a ▁cinema