Alex Martin, 25, was pursued by Border Patrol in Pine Valley, California The agents were in unmarked cars They used a spike strip to pull Martin over, smashed his passenger window and then fired a Taser into the car The shot ignited the interior and the car exploded Dashcam footage shows the agents fleeing the scene and not helping Martin burned to death His family are now suing the US federal government The family of a 25-year-old man who died in a car fire in California is now suing the US federal government, claiming a Taser shot by Border Control...