Sri Lanka, April 9 -- Public security covers a wide spectrum and involves many stakeholders. One of the primary stakeholders is the police force. The police are the guardians of the law. However the public has a collective responsibility to ensure the safety of their neighbourhoods and workplaces. The global security arena has faced many new threats over the last decade, some of which are case studies of how an individual or group can suddenly unleash mayhem and death in a peaceful environment. One such example was seen at the Boston Marathon bomb blast when an improvised pressure cooker bomb was exploded amidst athletes and bystanders.

In the traditional security sense police forces across the world were always empowered and deployed fo...