On January 20, Ramavtar Sharma (59), headmaster of a government primary school here, was beaten to death at his home in Garhi locality of Anoopshahr town, about 40 kms from here, Superintendent of Police (Rural) Ashok Kumar said.
The house was ransacked and the victim's cellphone taken away by the miscreants, he added.
After investigation, police zeroed in on the victim's elder son Pankaj. During interrogation, Pankaj confessed to have hired three persons for Rs 1 lakh to kill his father, he said.
The police have recovered the cellphone of the deceased and nabbed one of the three hired killers, Kumar said, adding that efforts are on to arrest the other two.