Wearing body worn video by patrol officers will:
Decrease number of recorded incidents of use of force Decrease number of citizens complaints Increase satisfaction of members of the public coming into contact with the police Improve self-legitimacy of police officers Increase rate of prosecution/charge/early guilty plea
Compared to not wearing cameras.
Birmingham South and Wolverhampton LPU's WMP.
Response officers both LPU's. BS - Two units - personal issue WV - Five Units - pool issue
430 officer shifts.
Level 5 Maryland Scale - RCT
Randomised shifts, experimental shifts assigned by Cambridge monthly Cameras/No Cameras.
1. No of Complaints 2. No of inxcidents of use of force 3. No of arrests 4. No of charges 5. No of early guilty pleas at Court 6. Survey data from officers before and after 7. Survey data from victims.
No complaints registered against two units using cameras on BS during trial period, compared 10 across other three units. 46% reduction in complaints against WV response officers. (24 to 13) Overall charges BS – Increase 12% (p 0.014) DV incident charges – Increase 13% (BS) No Change (WV) Public Order offence charge – Increase 22% (BS) 14% (WV)
Further data on use of force, ealry guilty pleas and results of 150 questionnaires awaited. Racial incident charge – Increase 12% (BS)Final report: Testing the Effects of Body Worn Video on Police Use of Force during Arrest: A Randomised Controlled Trial