driving down a coast road at between 45.50 mph. it's a 60 mph road guy on front slows down i slow down he pulls off really quick i put foot on the gas he slams brakes on i hit him about 12 mph. i am driving a 3.5 tonn pick no damage to truck little damage to old j.reg car but after guy said he would kick my head in he gets back in car i call police he calls ambulance, when it comes he and his girl are now on stretcher's, police come, all blow in bag cops tell me to go, they phone me that nigth tell me there is nowth wrong with other guy or his girl, and we will have to sort it out ourselfs. no other cars on road ,it was a nice day road dry no stoping allowed no turn off , give us a clue could this be a compo job,