KENOSHA, Wis.—A man accused of killing three people and wounding three others in an April shooting at a bar in Wisconsin was found guilty on all charges Tuesday. The jury came back with the verdict less than two hours, including a break for pizza, after the closing arguments in the trial of Rakayo Vinson, 25, who was charged in the deaths of 24-year-old Cedric Gaston; 26-year-old Atkeem Stevenson; and 22-year-old Kevin Donaldson, all of Kenosha. Authorities said Vinson and Donaldson exchanged punches earlier in the evening at the Somers House Tavern in the village of Somers. Surveillance video later shows Vinson walking to the patio of the bar and opening fire before fleeing. He exchanged gunfire outside tavern with Donaldson, who later died at a hospital. Vinson was convicted of three counts of first-degree intentional homicide and three counts of attempted first-degree intentional homicide, the Kenosha News reported. Each count …