A Kentucky sheriff shot and killed a local judge last month after seeing his teenage daughter’s number on the judge’s phone, according to court testimony Tuesday.

Police say Letcher County Sheriff Mickey Stines dialed his daughter’s number from District Judge Kevin Mullins’ phone, then pulled his gun and shot Mullins repeatedly inside his own chambers in the city of Whitesburg on Sept. 19.

Stines and Mullins were longtime co-workers and friends. Police did not explain during the preliminary hearing the significance of the daughter’s number on the judge’s phone.

Graphic video played at the hearing appears to show Stines, a hulking man who stands 6’4” and weighs more than 300 pounds, firing on Mullins as he sits at his desk with his left hand up. After Mullins collapses to the floor, Stines is seen leaning over the desk to fire again. As Stines prepares to leave, the video shows him closing in from another angle, firing his final shots from about two feet away.

Shooting takes place at time 4.32