Anantapur, July 9 -- The Andhra Police arrested two hearing-and speech-impaired persons for the murder of their employer in Karnataka's Ballari district, using a partially burnt papad packet recovered from the crime scene as the key clue.

Basavaraju (31) and Kotresh (36) of Ballari murdered Gururaju Rao, a papad trader, who is also believed to be hearing- and speech-impaired.

The charred body was discovered on June 23, leaving investigators with almost no clues. A partially burnt Kannada newspaper, burnt clothes, a sacred thread and a damaged papad packet were recovered from the scene.

The papad packet proved to be the turning point. Andhra Pradesh Police traced the manufacturer through the address printed on the packet and followed th...