Roselli was shifty. In the book All American Mafioso, they talk about how Roselli hated Tony Accardo, going back to when he and Accardo were competing suck ups to Capone. I think Roselli was always trying to leverage Accardo's power in LA. Making sure there were always factions at war with each other. I also think this was the reason Roselli was so chums with the Dragnas. He was using them to keep LA from becoming Accardo's turf.
"...the successful annihilation of organized crime's subculture in America would rock the 'legitimate' world's foundation, which would ultimately force fundamental social changes and redistributions of wealth and power in this country. Meyer Lansky's dream was to bond the two worlds together so that one could not survive without the other." - Dan E. Moldea
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