/usr/lib/x86_64-linux-gnu/libmrtd.so is in libmrtd-dev 0.1.6-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libmrtd.so.0
/usr/lib/x86_64-linux-gnu/libmrtd.so.0