This is amazing. It’s a complete list of the doubts of one disaffected member; the doubts that brought his testimony to its knees. The introduction says,
Recently a CES director asked a lifelong Latter-day Saint, Jeremy Runnells, to share his concerns about the church. In response, Runnells wrote him a letter outlining his concerns and questions from a year of research into the Church’s origins. After sending it privately, he decided to publish the letter publicly on the internet. He even released it under a Creative Commons license allowing people to distribute it with very few restrictions.