I would recommend reading :- https://ico.org.uk/for-organisations/guide-to-data-protection/guide-to-the-general-data-protection-regulation-gdpr/exemptions/ http

I would recommend reading :- https://ico.org.uk/for-organisations/guide-to-data-protection/guide-to-the-general-data-protection-regulation-gdpr/exemptions/ https://ico.org.uk/for-organisations/guide-to-data-protectio... This will enable a better perspective about GDPR and exemptions, which would be most relevant in relation to the cops/police/security services/government/.......