The suspect was sitting in a pew at St. Peters Missionary Baptist in Dayton, Ohio, when he suddenly started following pastor William Schooler, 71,.
As the choir was signing, witnesses say they heard two shots as Schooler headed behind the pulpit.
According to WTN, the church was thrown into chaos and everyone was seen running out of the doors. Schooler died from his injuries at the scene. There were said to be 20 people inside at the time. The suspect was taken into custody after the shooting. He is yet to be identified and the motive of the shooting is not yet clear.