One of the biggest University in U.S.A they invented a machine that can catches thieves for the accuracy of 78% . They took it out to different countries in supermarkets for a test. In U.S.A alone in 30 minutes, it caught 2500 thieves; UK , in 40 minutes it caught 500 thieves; Spain , in 20 minutes it caught 225 thieves. Ghana in 10 minutes it caught 8,000 thieves; Nigeria in 15 minutes it caught 18,000 thieves. In Kenya, in 5 minutes the machine was disappear possible stolen. In Tanzania still waiting for TUME YA UCHUNGUZI if the machine can be tested there...!