FOI 0202-2025/26 AI for Lie Detection

Request
Q1. Over the past five years (27 May 2020 to 27 May 2025) has your force used any AI technologies for lie detection? Please answer yes or no.  

If your force has not used any AI technologies for lie detection purposes please ignore the remaining questions.

Q2. When was AI technology for lie detection first used? Please share the month and year.

Q3. Is AI technology for lie detection currently used (as of 27 May 2025)? If not, please share the date it stopped being used and any reasons why it stopped being used.

Q4. Please share any training manuals related to AI technology for lie detection. If you need to redact or omit any of the information, please explain why and please note that time taken for redactions does not usually count towards the cost limit.

Q5. Has your force conducted an Equality Impact Assessment (EIA) for any AI technology for lie detection? Please disclose any EIA conducted. I understand these may be redacted but I ask that you redact only exempted information and justify the use of those exemptions, as above.

Extent and Result of Searches to Locate Information
To locate the information relevant to your request searches were conducted within North Yorkshire Police.

Decision
Q1. No.

Q2-5. Not applicable, as per my response to Q1.

Please note that systems used for recording information are not generic, nor are the procedures used locally in capturing the data.  It should be noted therefore that this force’s response to your questions should not be used for comparison purposes with any other responses you may receive.