/usr/lib/x86_64-linux-gnu/libturbojpeg.so is in libturbojpeg1-dev 1:1.3.1-12.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libturbojpeg.so.1.3.1
/usr/lib/x86_64-linux-gnu/libturbojpeg.so.1.3.1