| Date | Category | Guidance | Changes |
|---|---|---|---|
| Major investigation and public protection | Gun crime | Link to the Murder Manual replaced with link to the Major Crime Manual. |
|
| Major investigation and public protection | Gun crime | Replace following reference materials with most up to date ones: Deactivated weapons; Witness issues; firearm related crime scenes; victims of shootings.. |
|
| Major investigation and public protection | Gun crime | Addition of links to NABIS reference material. |
|
| Major investigation and public protection | Gun crime | Updates to content and links to reference materials. |
|
| Major investigation and public protection | Gun crime | Addition of new reference material link reflecting legislative changes. |
|
| Major investigation and public protection | Gun crime | Addition of holding page. |
