Three suspects who allegedly used stun guns on their victims while committing five robberies in Villa Park and Lemon Heights have been arrested, Orange County authorities said. Rickey Lamon Brown, 23, of Fontana, was arrested driving a stolen car. Deputies believe that the robbers used a stolen auto in each of the crimes. Keith Von Cole, 22, and a 17-year-old juvenile who was not identified because of his age were arrested at their West Covina homes. Sheriff Brad Gates said evidence--including stun guns--found in the suspects’ homes link them to the break-ins. Stun guns, which deliver painful electric shocks, can be purchased over the counter without identification.