As family shrieks, police kill dog Wednesday, January 8, 2003 Posted: 10:26 PM EST (0326 GMT) COOKEVILLE, Tennessee (CNN) -- Police video released Wednesday showed a North Carolina family kneeling and handcuffed, who shrieked as officers killed their dog -- which appeared to be playfully wagging its tail -- with a shotgun during a traffic stop. The Smoak family was pulled over the evening of January 1 on Interstate 40 in eastern Tennessee by officers who mistakenly suspected them of a carjacking. An investigation showed James Smoak had simply left his wallet on the roof of his car at a...