Suspect #1 was arrested just outside of the mansion. He has already been imprisoned previously for nearly drowning somebody. When police entered the bathroomupstairs, they found a bathtub halfway full of water. The police think that the butler may have died in the bathtub by electrocution. Police found loose electricalwiresin thewater. Electricity can be used to split water(H2O)into hydrogen and oxygen. Police believe thatsome ofthewater in the bathtub was broken down into hydrogen and oxygen using electricity. When they tested the amount of hydrogen gasin the bathroom, they found an unusual amount – 5,000 extra grams of hydrogen in the air.