My dad is around 60. He was fixing up the power circuits at his rental property. Told the tenant he needed to turn the power off. Tenant lost it and pushed my dad down the stairs and repeatedly punched him in the head. When my dad brings the police back with him the tenant claims my dad hit him first, when my dad didnt hit him at all. I want to go over there and cave the pricks face in. Short of that. How else can I get revenge on this ass hole?