Postmortem of Rajiv Gandhi Murder Mystery

Why Rajiv Gandhi Murder Mystery is still undisclosed? Why few angels had been ignored:- 

1.             One who killed?

2.            One who managed killing?

   3.            Why Prabhakaran had been killed so quickly?

4.            List of People wants to kill him.

5.            List of Countries wants to kill him.

6.            List of people who already knew about this conspiracy officially before years.

7.            List of people at no. 6 and out of which tried to save him but failed.

8.            List of people at no. 6 and out of which not tried to save him but failed.

9.            List of people who already knew about this conspiracy unofficially before years.

10.        List of people at no. 9 and out of which tried to save him but failed.

11.        List of people at no. 9 and out of which not tried to save him but failed.

12.        What is the very long interview of Simi Grewal meant for?

13.        The random political walkover in UP.