Mark Miller sneaked into his ex - wife 's home to spy on her and their children . He blamed his former brother - in - law for break up of his 20 year relationship . Ex - wife 's father drove to family home and Miller threw lighter fluid on him . The police had boy 's three - year - old son in the car with him at the time . Miller then tried to set light to him , while he was still in the vehicle with boy . He was jailed for eight years for the incident and imposed restraining sentences .
Mark Miller sneaked into his ex-wife 's home to spy on her and their children . He blamed his former father-in-law for break up of his 20 year relationship . Ex-wife 's father drove to family home and Miller threw lighter fluid on him . The man had Miller 's three-year-old son in the car with him at the time . Miller then tried to set light to him , while he was still in the vehicle with boy . He was jailed for eight years for the attack and breaching restraining order .