FBI is looking at ties between American and hand grenades used in shootout in Haiti . An attorney in Mexico could n't be located . Agents say they bear signature of operation run by Jean Baptiste Martin . Kingrey is on trial in Mexico for allegedly importing grenade launcher , explosive devices to Americans .
FBI is looking at ties between American and hand grenades used in shootout in Haiti . Agents say they bear signature of operation run by Jean Baptiste Martin . Kingrey is on trial in Mexico for allegedly importing grenade launcher , explosive devices to Americans .