剧情：
In 1996 a gunman opened fire from the top of a[展开]
In1996agunmanopenedfirefromthetopofamultistorycarparkkillingpassersbyonWhitewaterHighStreet.SinceknownastheWhitewatermassacre,oneofthevictimswasatacticalsquadpoliceofficer,Sgt.NickPatterson,Supt.PeterBoyd'sbestfriend.Patterson'spolice-issuedGlockpistoldisappearedandwastheweaponusedtokillhim.TheGlockdisappearedthatdaybutisfoundsevenyearslaterbytwoboyssome10milesfromWhitewater.Boydandhisteamareassignedtosolvethemysteryofthevanishinggunastheconvictedsniper'ssolicitoriscallinghisclient'sconvictionintoquestion.Astheinvestigationcontinues,theteambegintodiscoveranomaliesthatmayinfactmeantheconvictedkiller,CarlMackenzie-whoalwaysmaintainedhisinnocence-mayhavebeenwronglyconvicted [收起]
