Drug dog false positives

Simon Roe made this Freedom of Information request to Suffolk Constabulary

The request was successful.

From: Simon Roe

2 August 2009

Dear Sir or Madam,

Please can you supply me with the percentage of false positive
incidents involving sniffer dog searches over as long a time span
as possible, broken down by year and location.

If calculating the percent is not possible, please can you provide
any relevant databases (with sensitive information removed) for me
to calculate the percent myself.

Can I also have information on what is done to prevent these false
positives.

I am defining a false positive as a case when a dog identifies
something (drugs etc) on a person or object but on searching,
nothing is found.

Yours faithfully,

Simon Roe

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From: INFORMATION
Suffolk Constabulary

5 August 2009

[Not Protectively Marked]

5 August 2009

Dear Mr Roe,

FREEDOM of INFORMATION ACT 2000

Thank you for your request for Information, received at this office on 3
August 2009, in which you requested details of the following:

1) the percentage of false positive incidents involving sniffer dog
searches over as long a time span as possible, broken down by year and
location.

2) information on what is done to prevent these false positives.
Your request will now be considered and you will receive a response within
the statutory timescale of 20 working days as defined by the Act, subject
to the information not being exempt or containing a reference to a third
party. In some circumstances Suffolk Constabulary may be unable to achieve
this deadline. If this is likely you will be informed and given a revised
time-scale at the earliest opportunity.

There may be a fee payable for the retrieval, collation and provision of
the information you request. If this is the case you will be informed and
the 20 working day timescale will be suspended until we receive payment
from you. If you chose not to make a payment then your request will remain
unanswered.

Some requests may also require either full or partial transference to
another public authority in order to answer your query in the fullest
possible way. Again, you will be informed if this is the case.

We anticipate being able to provide you with information that you have
requested by 1 September 2009.

Should you need to discuss this further please contact Elaine Fisk, on
01473 613919.

I would like to take this opportunity to thank you for your interest in
Suffolk Constabulary.

Yours sincerely,

Clair Pack
FOI Coordinator

Elaine Fisk
FOI Assistant

Suffolk Constabulary PHQ
01473 613919
[1][Suffolk Constabulary request email]

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From: INFORMATION
Suffolk Constabulary

19 August 2009


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Attachment FOI Complaint Rights.pdf
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[Not Protectively Marked]

19 August 2009

Dear Mr. Roe,

Thank you for your request for information dated 2 August 2009 concerning percentage of false positive incidents involving sniffer dog searches over as long a time span as possible, broken down by year and location.

This is to inform you that all information relating to your request has been collated my response is attached. This request is now complete and shall be closed immediately.

Should any further information be requested regarding this topic, a separate request will need to be submitted.

Should you need to discuss this further please contact Clair Pack, on 01473 613919.

I would like to take this opportunity to thank you for your interest in Suffolk Constabulary.

Yours sincerely,

Clair Pack
FOI Coordinator

Elaine Fisk
FOI Assistant

Suffolk Constabulary PHQ
01473 613919
[Suffolk Constabulary request email]

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