This is all easily researched, and anyone that was on SOHH probably remembers the original Pac interview when it was posted. It was right before he died, when he was discussing Death Row East.
Not sure if the interview is still on Youtube, but here's Boxden referencing the same interview from VIBE:
http://slumz.boxden.com/f87/tupac-talks-about-wu-tang-getting-robbed-video-1287752/
The video exists, I've seen it.
Also the story was in Frank Alexander's book, although the exact Wu member wasn't known until U-God said it was RZA in an interview from last year.
Not sure what you mean by "how did he hand them over"....Pac and Wu was supposed to be cool, and RZA got robbed on the west coast. That makes Death Row look weak and disorganized. Pac let Wu know who did it, and told them to handle it however they wanted.
Fred.