Be active and find the killer in the picture Riddle 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?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

When it's bad luck to meet a black cat?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Which alphabet letter is a question?

By what process could you make a 'Tea-Table' into food?

Can you write down eight eights so that they add up to one thousand?