The New Hampshire Attorney General's office announced the identity of a man killed in a police-involved shooting overnight Saturday in Walpole. Christopher Tkal, 57, the sole resident inside the home at 1461 County Road, died at the scene, according to a release from Attorney General John M. Formella. The release states that, at approximately 11:14 p.m. on Saturday, law enforcement officers responded to a report of domestic violence at 1461 County Road. New Hampshire State Police troopers were the first to arrive on scene. After one resident met troopers outside, an encounter ensued with a resident inside the home. During the encounter, one trooper discharged his weapon.