/usr/share/igtf-policy/slcs/NCSA-slcs-2013.pem is in igtf-policy-slcs 1.71-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/igtf-policy/slcs/../../ca-certificates/igtf-slcs/NCSA-slcs-2013.crt