http://encyclopaedia-wot.org/main/theories.html#bobs
Bob's theory is an excellent thought process on Asmo's murder. His focus, however, is on the two servants that Rand sees when jumps into Rhavin's throne-room. I simply want to remove the focus on the servants, and instead put it on (a) who the suspects are, and (b) which ones might be "intuitively obvious." I don't even care about picking one out of the four best candidates.

Sammael, Graendal, Slayer, the Gholam, Fain, Mesaana and maybe two others are, as far as I can tell, the only people that could/would have done it. Asmo was extremely shocked to find his attacker, and died with only enough time to get pallid and shout two words.

The DO can't bring Asmo back, and knows of his death in some way, despite the black cord being cut in tSR. The DO either (a) was told by someone/-thing, or (b) will always learn that people are dead, whether or not it's in time to capture their soul.

Balefire (from the One Power) is such a powerful thing that it always seems like it would be noticed by Rand or Aviendha. I include Fain because his location wasn't confirmed and his odd-ass powers (or dagger) might cause Asmo to die irretrievably. And Slayer might have some soul-powers, or might have done something involving Asmo and TaR (maybe killing him and tossing the fresh corpse there would get the soul past the DO?). Luc/Isam seems a better candidate than Fain.

The gholam is also a great candidate for many obvious reasons. All of the prior three make more sense than Mesaana, who I'm simply including because I can't think of a reason to exclude her. I don't know why Bob excludes her in his theory (maybe Jordan said it wasn't her?), so she's still possible.

Sammael and Graendal must (like Moghedien and Rhavin) have known that Rand was going to attack Rhavin the day after the Lanfear mess. Moghedien knew when Rand was attacking, so they would have had a timeline to work with. They are probably the best candidates. Given their inclusion in Rahvin's plans, it would be "intuitively obvious" that one of them did it.

The other two? If Lanfear made her way through the Aelfinn - or even wished him dead - in her original body, she could easily have been spying on Rand at the time. THAT would certainly explain Asmodean's extreme shock and fear. I believe that Lanfear's knowledge got her through the 'Finn more or less fine (trading some of her Power), then she was killed by the Dark and brought back just to teach her a lesson. I love this idea, but the only problem I find is that she wouldn't just attack Rand right after. Given how often she threatened him though, it would be "intuitively obvious" that she did it.

Or, Taim could have done it. The Shadow knew Rand had a dark teacher. It makes sense for them to think to replace Asmo with one of their own. Asmo's knowledge, both of power and darkfriends, would make him a threat to Taim (he's gotta be a DF). Asmo certainly would have done many of the things that Taim conveniently appeared to do (and he knew them already). And once Taim got the chance, I think he was trying to set himself up as a teacher/superior (through his displays of knowledge and usefulness). Given the fact that Taim appeared shortly after Asmo's death and sort of took over Asmo's role, it would be "intuitively obvious" that he did it.