New Delhi, Aug. 12 -- The National Investigation Agency (NIA) has taken blood and hair samples from Pravaiz Ahmad Jothar and Bashir Ahmad Jothar , the duo arrested in connection with the April 22 Pahalgam terror attack, to conduct DNA analysis and ascertain if they played a larger role than just sheltering the three Pakistani terrorists who shot 26 civilians, people familiar with the matter said. The DNA samples, collected from the Amphalla prison in Jammu, where the two are currently lodged, are likely to be matched with the clothes and weapons recovered from three terrorists , Suleiman Shah, Hamza Afghani alias Afghan and Jibran, added the people, asking not to be identified. The three terrorists, who shot dead 25 tourists and a pony oper...