The word that is rampant in newspaper, television channel and in all our lives is “Chain Snatching”. This is one of the crimes which is increasing as the river flows downstream. Back -to- back chain snatching in the city put the cops on their toes. Even as chain snatchers go about their job with the catch-me-if-you-can spirit, police are working over-time to dent that spirit, but to no avail. Observing that the robberies have increased over the years, there is also a raise in chain snatching incidents. Thus chain snatching has become an urban phenomenon. Even though many cases have being lodged in the police station, but a very few cases have been solved, and many of the cases are still under investigation.This book gives the complete information on a MEMS activated smart electronic gadget that is capable of tracking the chain snatcher and alert the police through the Real time transmission of video signals of the scene of crime which helps in solving the complicated cases. It also reduces many kinds of crimes taking place in and around the city and hence provides security for the public.