[Still Thinking]

If the problem is with lethal injection, why did he choose it? He could have opted for the gas chamber. I believe they get a choice.

I think you're wrong. I believe those sentenced when gas was the official method get to choose, but those sentenced since injection became the official method cannot.

[Sam Boogliodemus]

The official method in California is gas unless lethal injection is requested. Here's the link for all states.