Britain’smostnotoriousserialkiller,DennisNilsen,confessedtokilling15 eo lein1983.Overafive-year eriod,he ickedu vulnerableyoungmen,luredthembacktohishomeandstrangledthem,beforedis osingoftheirbodiesunderthefloorboards.Thetruthabouthowandwhyhekilledhasbeenthesubjectofmuchs eculationinbooksanddocumentariesoverthedecadessince.Now,withuniqueaccesstoawealthof ersonalarchiveleftinhiscellafterhisdeath,includingover250hoursofnever-before- ublishedcassetteta esofhis rivaterecordings,thisfilmwilltakeusintoNilsen’sworld.Fromayoungboygrowingu inaquietScottishfishingvillagetoacold-bloodedmurderer rowlingthestreetsofLondon.Setagainstthebackdro of1980sBritain,whenmassunem loymentdrewyoungmentoLondoninsearchoftheirfortunes,onlytofindthemselvesdestituteandeasy rey,andweavingtogetherinterviewsfrom olice,journalists,survivors,bereavedfamilies,and-forthefirsttime-thekiller’sownvoice,thisfeaturelengthdocumentaryex loreshowNilsenwasabletogetawaywithmulti lemurdersandattacks,unchallenged,forfiveyears