Chief Constable of Lancashire Constabulary

6945 Accredited to ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pin e Tre e s, Ch e rts ey La n e , Sta ine s -u po n-Tha me s , TW18 3 HR, UK Chief Constable of Lancashire Constabulary Issue No: 036 Issue date: 05 November 2025 Testing performed by the Organisation at the locations specified Assessment Manager: SM10 Page 9 of 13 Materials/Products tested Type of test/Properties measured/Range of measurement Standard specifications/ Equipment/Techniques used Location Code FRICTION RIDGE DETAIL Finger and Palm (Non- Cadaver) (cont’d) Forensic Analysis (cont’d) Analysis, comparison, and evaluation of Friction Ridge Detail as outlined below for the purpose of: - Criminal Investigation - Elimination Databases A Ten Prints - Ink - Powder - Livescan Comparison with Marks - CSI/FEL Recovered Lifts from physical scenes - CSI/FEL Photographs of marks from physical scenes - Fingerprint Enhancement Laboratory Recovered Lifts from physical items - Fingerprint Enhancement Laboratory photographs of marks from physical items Documented in house procedures (FP-SOP-002) using visual manual techniques: - Fingerprint glass - Reference collections - Comparators (optical) - High Quality Printer A Related Opinion and Interpretation The evaluation of the significance of any matching and non-matching features between sources of friction ridge detail as outlined in the above scope of accreditation. Documented In-House methods (REF DOC 340) using: - Personal experience - Database A

6945 Accredited to ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pin e Tre e s, Ch e rts ey La n e , Sta ine s -u po n-Tha me s , TW18 3 HR, UK Chief Constable of Lancashire Constabulary Issue No: 036 Issue date: 05 November 2025 Testing performed by the Organisation at the locations specified Assessment Manager: SM10 Page 10 of 13 Materials/Products tested Type of test/Properties measured/Range of measurement Standard specifications/ Equipment/Techniques used Location Code MARKS AND IMPRESSIONS Forensic Analysis Footwear Coding of scene marks and prints taken from suspect Documented In-House Method (FU-SOP-007) (including use of NFRC system) A Coding of Custody prints taken from suspect footwear using gross features Documented In-House Method (FU-SOP-008) (including use of NFRC system) A Screening of suspect footwear by pattern type and size Documented In-House Method (FU-SOP-001) A Enhancement of footwear marks recovered from scenes Documented in house method (FU-SOP-001) using: - lighting techniques - ESLA - gel lifting A Production of test marks from suspect footwear Documented in house method (FU-SOP-001) using: - oil and powder dusting method (dynamic) - powder (static) A Footwear mark (physically or image) Assessment, Comparison and evaluation of footwear with scene marks Documented In-House (FU-SOP- 001) methods using: - visual examination A Related Opinion and Interpretation The evaluation of the significance of any matching and non-matching features between the footwear scene impression and reference/control footwear marks Documented In-House method (FU-SOP-001) using: - Personal experience - Databases A Packaging - plastic bags - clingfilm Examination to determine the presence of striation marks and manufacturing features Documented In-House method (DU-SOP-008) using: - visual comparison - polarised light - shadowgraph A