New Delhi/Faridabad, Nov. 17 -- Investigators working to piece together the final movements of Dr Umar Un Nabi - the alleged "suicide bomber" in last Monday's explosion outside Red Fort - have zeroed in on one element they now consider the most crucial in establishing his final moments: the digital footprint left behind by two mobile phones he was last seen carrying. P4

Published by HT Digital Content Services with permission from Hindustan Times....