Would hiding a body in cement be detected?

► This video is for educational purposes, providing knowledge to everyone. If there are any mistakes, please leave a comment for better understanding.
► Follow me! Adding something interesting! Adding new knowledge!

***Most of materials are under "Fair-used" under section 107 of the US Copyright Act 1976. If you find this topic interesting, please visit their channel to watch the full video. Thank you!
*** If there is any copyright infringement, please contact me via email in my channel!