▁Similarly , ▁another ▁shed ▁nearby ▁held ▁a ▁but ane ▁tank ▁with ▁a ▁val ve ▁that , ▁had ▁it ▁been ▁opened , ▁would ▁have ▁fed ▁the ▁tra iler ' s ▁he ating ▁system . ▁This ▁behavior , ▁however , ▁was ▁consistent ▁with ▁what ▁Wei her ' s ▁family ▁members ▁described ▁as ▁a ▁lack ▁of ▁common ▁sense ▁ar ising ▁from ▁his ▁mental ▁dis ability ; ▁he ▁often ▁question ed ▁why ▁he ▁should ▁stop ▁at ▁a ▁stop ▁sign , ▁and ▁one ▁night ▁he ▁needed ▁to ▁be ▁drag ged ▁out ▁of ▁bed ▁while ▁his ▁bed room ▁ce iling ▁was ▁burning ▁in ▁a ▁house ▁fire ▁since ▁he ▁was ▁wor ried ▁about ▁missing ▁his ▁job ▁the ▁next ▁day ▁if ▁he ▁left ▁his ▁bed . ▁ ▁It ▁also ▁seemed ▁that ▁Wei her ▁had ▁not ▁been ▁alone ▁in ▁the ▁tra iler , ▁and ▁that ▁Math ias ▁and ▁possibly ▁Hu ett ▁had ▁been ▁there ▁with ▁him . ▁Math ias ' s ▁tennis ▁s ne akers ▁were ▁in ▁the ▁tra iler , ▁and ▁the ▁C - r ations ▁had ▁been ▁opened ▁with ▁a ▁P - 3 8 ▁can ▁op ener , ▁which ▁Math ias ▁would ▁have ▁learned ▁how ▁to ▁use ▁during ▁his ▁Army ▁service . ▁Math ias , ▁his ▁feet ▁perhaps ▁also ▁sw ol len ▁from ▁fro st b ite , ▁could ▁have ▁decided ▁to ▁put ▁Wei her ' s ▁sho es ▁on ▁instead ▁if ▁he ▁had ▁vent ured ▁outside . ▁The ▁sheets ▁all ▁over ▁Wei her ' s ▁body ▁also ▁suggested ▁that ▁one ▁of ▁the ▁others ▁had ▁been ▁there ▁with ▁him ,