A helper of a truck has been murdered by slitting his throat in Birtamod of Jhapa district on Friday. Bikram Bista (22), the helper of the truck (Na 3 Kha 5615), who was permanently from Phattepur of Udayapur, was found murdered in the parked truck in front of Sugam Petrol Pump in Biratamod-6 yesterday night. The truck was returning from Kakadbhitta after supplying goods and was parked in the location for its staffers' dinner purpose.