Firas Press quotes Israeli media today as saying that Hamas is fearful that some of the weapons it is receiving are actually booby-trapped or otherwise tampered with by Israel.
According to the story, Israel passes weapons to Bedouin in the Sinai who in turn smuggle them to Gaza. The Popular Front claims to have received weapons that were tampered with.
I don't know if it is true, but it is a great idea, isn't it?
They should add tracking systems as well.