What is wrong in the below Picture?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

Identify the hidden meaning behind this picture?

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?

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

How Come ??

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

I am an odd number. Take away a letter and I become even. What number am I?

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

If an electric train is travelling south, then which way is the smoke going?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?