If Kirkland really wants to find Red John, then why did he not ask about Red John before he killed Red John's henchman in the hospital?! No one has yet been able to answer this simple question!

And why is Kirkland the only charachter who always wears red (and mostly tiger striped) ties?

http://s22.postimg.org/bsgb6t5s1/Red_Tiger_Tie.jpg