/usr/ is in libfreenect-dev 1:0.5.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libfreenect.pc
/usr/lib/x86_64-linux-gnu/fakenect/
/usr/share/
/usr/share/doc/
/usr/share/doc/libfreenect-dev/
/usr/share/doc/libfreenect-dev/copyright
/usr/include/
/usr/include/libfreenect_registration.h
/usr/include/libfreenect_audio.h
/usr/include/libfreenect.hpp
/usr/include/libfreenect_sync.h
/usr/include/libfreenect.h
/usr/lib/x86_64-linux-gnu/libfreenect_sync.so
/usr/lib/x86_64-linux-gnu/fakenect/libfreenect.so
/usr/lib/x86_64-linux-gnu/libfreenect.so
/usr/share/doc/libfreenect-dev/CONTRIB
/usr/share/doc/libfreenect-dev/changelog.Debian.gz