i think Tobi killed Rin!!!
OMFG! i think so!
THATS WHY Tobi and Kakashi has Mangekyo Sharingan!
maybe Tobi is or combination of multiple souls/memories in a plant that has Uchiha&Senju DNA!
Kakashi did what he had to do as a leaf shinobi
It was an accident.
It was an illusion.
None of these
Re: Kakashi killed Rin?