Are you too a CID officer?Level pending
On Friday while delivering the mail , postman feels something suspicious in the flat and try to look inside through the key hole and he saw a blood filled body of the old man.
CID arrived the scene. On the outside of flat , he found two bottles of warm milk , Tuesday newspaper, some unopened mails , some gifts.
CID waste no time to find the murderer.
Who was the murderer ?