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

Below rebus represent famous DiCaprio movie. Can you name it?

Detective Rockford was jogging near the beach at 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard the sound of gunfire. Rockford rushes to the shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How?

What Adam and Eve do not have but the rest of the people have?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

What jumps when it walks and sits when it stands?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?