Anonymous tips led Pulaski County Sheriff’s deputies to arrest a man on murder charges over the weekend. Haynes Knob Fire Department crews were called out to a car fire on Rush Branch Road Saturday morning. Once the fire was out, investigators found human remains inside the vehicle. Tips led to the arrest 34-year old Humberto Mesa-Vasquez. When he was taken into custody, deputies say Mesa-Vasquez had blood on his clothing. He’s charged with the murder of Jorge Martinez, as well as arson, and other crimes in connection with the death.