I make two people out of one. What am I?

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

What jumps when it walks and sits when it stands?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

If your uncle’s sister is not your aunt, what relation is she to you?