When the death of a person ensues within one year as a proximate result of injury received by the operation of a vehicle by any person while under the influence of or affected by intoxicating liquor or narcotic drugs or by the operation of any vehicle in a reckless manner or with disregard for the safety of others, the persons so operating such vehicle shall be guilty of negligent homicide by means of a motor vehicle. Any person convicted of negligent homicide by means of a motor vehicle shall be punished by imprisonment for not more than five years, or by a fine of not more than one thousand dollars, or by both such fine and imprisonment.