Holy fuck, why!! Who thinks this shit is genius ? There is no right answer, just bullshit you make up.
1: Why the hell would he get a block of ice for that job, that just makes no sense ! How about he used a fire hose speing high pressure water to propel himself upward. As he hang, he let go of the hose which proceeded to dance around the room like a snake and exit the barn. Water evaporated and only a puddle was left by the time of the discovery.
2: How about the judge said that because the guilty sister is holding a gun to his head and has handed him a paper with what to say out loud.
3: Guy was in the car all along ? Someone broke the windows and got in ? Someone busted the door and got in ? Someone picked the lock and got in ? Someone convinced the wife to open the door and got in ? Wife has an embedded teleportation device in her head permitting someone to beam in the car but exploding her head in the process ?
4: In no wind&no rain land right ? How about an explosion took place in charcoal power plant, another explosion in a carrot warehouse and helicopter pilot dropped his scarf. All three landed in the same spot.
Seriously, what the hell ? It's like asking people to pick a number between -34223 and 329302 and then proclaiming they got it wrong.