Can you find the thief by just looking at the picture below?

Sherlock breaks into a crime scene. The victim is the owner who is slumped dead on a chair and have a bullet hole in his head. A gun lies on the floor and a cassette recorder is found on the table. On pressing the play button, Sherlock hears the message 'I have committed sins in my life and now I offer my soul to the great Lord' and followed a gunshot Sherlock smiles and informed the police that's its a murder.

Why did he think so?

What does it mean?

What do you answer even though it never asks you questions?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

How can you tell a raw egg from a hard-boiled egg?

Three people enter a room and have a green or blue hat placed on their heads. They cannot see their own hat but can see the other hats.
The colour of each hat is purely random. They could all be green, blue, or any combination of green and blue.
They need to guess their own hat colour by writing it on a piece of paper, or they can write 'pass'.
They cannot communicate with each other in any way once the game starts. But they can have a strategy meeting before the game.
If at least one of them guesses correctly they win $10,000 each, but if anyone guesses incorrectly they all get nothing.
What is the best strategy?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?