If you read the spoiler/gossip column from E! Online which I blogged about here, you'll know that one of the clues about the Carver identity was "Tookiesam."
Well, if you've kept up with the news you'll know that Stanley Tookie Williams was a man on Death Row pleading for recently pleading for clemency on his execution. He was the co-founder of the Crips. He was held in San Quentin State Prison, where he put to death by lethal injection mid-Dec.
The clues... Quentin/Execution/Death/Lethal Injection... Hmmm...