Question

The suspects are Gerry,Julie,jason,nick and Sophie. The numbers are6,4,9,10,11 are written on the calendar with blood who is the killer

Answer 1

The numbers 6, 4, 9, 10, 11 represents something.
6 - June
4 - April
9 - September
10 - October
11 - November

Get all the first letters.
J - A - S - O - N.

From the suspects: Gerry,Julie,jason,nick and Sophie,
So the suspect is Jason.