The story of what really happened to them that day gets 'curiouser and curiouser'. [=stranger and stranger]
The 'curious' [='inquisitive'] reader can find more information in the back of the book.
By a 'curious' coincidence, they bought a house the same day their old one burned down.
(..) in here wearing a number himself. I thought you had more faith in me than that. I know you're good, but all that paper leaves a trail. Now anybody gets curious, FBI, IRS... ...whatever. It'll lead to somebody. Sure it is, but not to me, and certainly not to the warden. (..)1994 The Shawshank Redemption