We've heard real facts and you won't understand, much less accept them. I don't expect any further information to get through to you, with all due respect.
Of course, what could DW say but "I didn't do it",
Obviously he could have admitted his guilt and shown remorse. Your pretending his only option was to again plead his innocence supports my point above.
There are more people than you think that have doubts. There are LE in SD County. There are medical people in SD that have doubts.