14 best cases 4

"Cases 4" is not a specific or widely recognized term in the context of Murder Mayhem, True Crime, Biographies & Memoirs, or Books. It doesn't refer to a particular book, author, series, or widely known topic within these genres.

If "Cases 4" is a specific term or title that has emerged after my last training data in 2023, we wouldn't have information about it.

If you're referring to a specific book, author, or series that has become known after 2023, we won't have that information in my current database. To get accurate and up-to-date information, we recommend checking with reputable book retailers or sources specializing in True Crime and Biographies & Memoirs.