, ▁Andy ▁hits ▁Mac ▁over ▁the ▁head ▁and ▁drag s ▁him ▁off ▁down ▁a ▁secret ▁tunnel . ▁The ▁C SI ▁team ▁r ush es ▁back ▁to ▁the ▁lab ▁where ▁they ▁find ▁that ▁an ▁MP 3 ▁player ▁that ▁had ▁been ▁rig ged ▁to ▁control ▁a ▁murder ▁scene / sub way ▁train ▁earlier , ▁in ▁an ▁attempt ▁to ▁kill ▁them , ▁has ▁a ▁song ▁left ▁on ▁it . ▁The ▁song ▁is ▁called ▁" Tra in ▁to ▁Now here ", ▁and ▁is ▁track ▁ 6 ▁on ▁an ▁album . ▁This ▁points ▁to ▁the ▁abandoned ▁City ▁Hall ▁# ▁line ▁station . ▁They ▁realize ▁that ▁Andy ▁leaving ▁obvious ▁cl ues ▁to ▁his ▁where about s ▁must ▁be ▁a ▁trap , ▁but ▁with ▁Mac ' s ▁life ▁on ▁the ▁line ▁they ▁have ▁to ▁try ▁something . ▁F lack ▁says ▁he ▁was ▁expecting ▁this ▁and ▁brought ▁along ▁some ▁ins urance . ▁ ▁Meanwhile , ▁Andy ▁has ▁Mac ▁sitting ▁motion less ▁in ▁a ▁chair ▁while ▁he ▁sets ▁up ▁a ▁trap ▁made ▁of ▁motion - det ect ing ▁las ers , ▁a ▁shot gun , ▁and ▁a ▁revol ver . ▁If ▁Mac ▁breaks ▁the ▁las er ▁field , ▁he ▁will ▁be ▁shot ▁by ▁the ▁revol ver ▁between ▁the ▁eyes . ▁If ▁someone ▁opens ▁the ▁door ▁to ▁rescue ▁him , ▁they ▁will ▁be ▁wounded ▁with ▁the ▁shot gun . ▁Andy ▁had ▁followed ▁them ▁the ▁night ▁of ▁Will ' s ▁death ▁and ▁saw ▁what ▁happened . ▁ 3 3 3 ▁was ▁the ▁room ▁that ▁they ▁were ▁in , ▁therefore ▁this ▁number ▁was ▁forever ▁eng