Richard Riddle, 52, was leaving the church on Hiawatha Street with his wife at about 1 p.m. when his son, 25-year-old Reshad Riddle, approached him and fired a single round from a handgun, instantly killing Richard, church associate pastor Sean Adams said.

“Witnesses at the scene said the shooter entered church and made some references to Allah, but we are not sure if that was a motive or if there was a family problem, Stell said. “We have no motive confirmed with family members. There is no indication that the father and son had a bad relationship. Everyone thinks this was very surprising.” ...