a man goes into a building, spend a couple of hours there, and then he goes straight home. about three weeks later, the man comes out from the building with a bag under his arm and head for home. when he got home, and he head for his bedroom, where his wife is. he look at his wife and she look at her, and then he gave her the bag. she open the bag and she got really angry ! all sudden. then she turn and bend down to open their bedroom's drawer and pull out a gun ! she then turn toward her husband shoot him dead, and she turn the gun on herself and shoot herself to death ! the question is what was in the bag that drove her mad to kill ?