a biometric passport is not an appropriate measure because of the rate of mistakes which are made at border controls. Another problem is the durability of the RFID chips inside the passports, and their susceptibility to being read by people who have no legal authority to read them. … If the goal of the measure is to prevent terrorist attacks, then these biometric passports are suitable only to a very limited degree. The primary problem is the security risk that arises from the use of real passports that incorporate a fraudulently obtained identity.