In what could qualify as a breakthrough in forensic science, Ghaziabad SHO Ajay Sharma appears to have invented a new method to determine citizenship — by pressing a mobile phone against a person’s back. A video circulating online shows Sharma confidently claiming that his “machine” was indicating the presence of a Bangladeshi national, even as the individuals repeatedly said they were residents of Araria district in Bihar. No documents were checked, no records verified. The phone, it seems, kne