 MISC: After all the employees have left the store to go home, Mr.  Matuschek locks the door after them. When the detective comes to the  store to talk to Mr. Matuschek about his wife, Mr. Matuschek has to  unlock the door to let him in. When he closes the door behind the  detective, he doesnt lock it. When the detective goes to the door  to leave, he unlocks the door, even though it wasnt locked in the  first place.