Verruckt: Call of duty - World at War. ?

Well. My boyfriend has just found one of them weird thing in one of the rooms and he is now obsessed with finding more. can anyone find any ? the one he found was in the first room with 'Quick Revive'. one one side of the wall there are a bunch metal cupboard you get in morgues. if you lay down in front of the bottom one you can here cries from different people ( a man, a women and baby i think ) but yeah. anything like that. THANKYOUUU :)