I see, though there could be third party, which could be hurt by not using this evidence (e.g. 'their rights were infringed' in some sense). Imagine how would f

I see, though there could be third party, which could be hurt by not using this evidence (e.g. 'their rights were infringed' in some sense). Imagine how would feel family of a victim of a rapist/murdered who was freed on a technicality.