Mike, you're completely missing the point. Had the Mafia instructed Ruby to assassinate Oswald, as you insist, then they would have furnished him with a more appropriate weapon, a handgun that was powerful enough to guarantee Oswald's death no matter where he was shot in the torso.
I'm sure you're right in that had there of been a conspiracy Oswald would indeed have been 'taking out' by "someone else" but that would have been long before Tippit. Oswald would never have made it out of the TSBD alive! A corrupt Dallas police officer would have been already stationed inside the TSBD ready to "take out" Oswald immediately after the assassination. No doubt the officer would have been filled with remorse and tears because he hadn't been quite quick enough, probably have been presented with a medal anyway and within a few months gunned down in the 'line of duty'. WOW!! I'd never realised how much fun it is, dreaming up ingenious imaginary scenarios...I just might convert to CT! LOL
Always amused me how people believe that this conspiracy involving up to hundreds of people, that went back months and years, allowed the shooter, the man who could expose all of this, to run freely around Dallas for a couple of hours, on buses, in taxis, shooting cops, ducking into shoe stores and into cinemas.
I mean, if they wanted to kill him, why not in the TSBD. He took a couple of minutes to leave. Why not when he got out of the cab? Or before he got to Tippet.
As for the "Tippet was there to kill him" thing - same question from me. They send one single uniformed cop? Nah.