ald ▁Le B org ▁and ▁st arring ▁The ▁Bow ery ▁Boys . ▁The ▁film ▁was ▁released ▁in ▁ 1 9 4 8 ▁by ▁Mon ogram ▁Pictures , ▁although ▁the ▁exact ▁release ▁date ▁is ▁uncertain , ▁although ▁two ▁possible ▁released ▁dates ▁are ▁mentioned ▁in ▁different ▁books , ▁December ▁ 1 0 , ▁ 1 9 4 8 ▁and ▁December ▁ 2 6 , ▁ 1 9 4 8 . ▁ ▁It ▁is ▁the ▁tw elf th ▁film ▁in ▁the ▁series . ▁ ▁Plot ▁Bow ery ▁Boys ▁gang ▁leader ▁S lip ▁Mah oney ▁and ▁another ▁member , ▁Sach , ▁run ▁a ▁star - g az ing ▁operation ▁on ▁the ▁side walk . ▁When ▁there ▁are ▁no ▁clients ▁around , ▁S lip ▁and ▁Sach ▁use ▁the ▁big ▁teles cope ▁themselves ▁to ▁watch ▁the ▁city ▁in ▁motion , ▁and ▁discover ▁a ▁man ▁being ▁str ang led ▁in ▁a ▁room ▁at ▁the ▁El ▁Roy ale ▁Hotel , ▁not ▁very ▁far ▁from ▁where ▁they ▁are ▁standing . ▁ ▁The ▁boys ▁contact ▁their ▁friend ▁within ▁the ▁police ▁department , ▁ ▁former ▁gang ▁member ▁G abe ▁Mor eno , ▁and ▁together ▁they ▁go ▁to ▁the ▁hotel ▁to ▁investigate ▁the ▁matter ▁further . ▁When ▁they ▁enter ▁the ▁suite ▁in ▁question ▁with ▁the ▁help ▁of ▁hotel ▁manager ▁Sch id lap , ▁there ▁is ▁no ▁one ▁there ▁and ▁no ▁body ▁to ▁be ▁found . ▁The ▁room ▁is ▁supposed ▁to ▁be ▁inhab ited ▁by ▁a ▁man ▁named ▁" Sil ky " ▁Thomas . ▁ ▁As ▁the ▁boys ▁show ▁G abe ▁how ▁the ▁str ang ulation