/usr/share/man/man1/diamond-aligner.1.gz is in diamond-aligner 0.9.17+dfsg-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/../../../lib/debian-med/share/man/man1/diamond.1.gz
/usr/share/man/man1/../../../lib/debian-med/share/man/man1/diamond.1.gz