Within the last week on three separate occasions, Jackson residents have taken up firearms to defend themselves against assailants. In the most recent case, a man shot and killed 20 year old Kenneth Stewman in the 4900 block of Rosehaven Drive. Police say Swetman and another man were attempting to rob the homeowner. Police say the man who fired the fatal shot will not be charged in the case. A state law, known as the Castle Doctrine, allows private citizens to use deadly force to protect their homes, vehicles or businesses from intruders. And since crime is such a problem...