Flannery O’Connor & Shroud of Turin

Why as a Catholic did Flannery O’Connor write about so many dark things? Is the Shroud of Turin authentic? What does the shroud tell us about the sufferings of Christ?
https://www.catholicworldreport.com/2021/08/03/reading-flannery-oconnor-for-the-first-time/
https://www.shroud.com/

Cale Clarke is the host of both The Cale Clarke Show and The Faith Explained on Relevant Radio. On The Faith Explained, Cale dives deep into Scriptures, the Catechism and Sacred Tradition to bring an in-depth look at what the Catholic Church Believes. On the Cale Clarke Show, Cale unpacks how a Catholic perspective affects the nitty-gritty of everyday life. He also looks at what's happening in the culture through a Catholic Lens.