Leave this site
We use some essential cookies to make our website work. We’d like to set additional cookies so we can remember your preferences and understand how you use our site.
You can manage your preferences and cookie settings at any time by clicking on “Customise Cookies” below. For more information on how we use cookies, please see our Cookies notice.
Your cookie preferences have been saved. You can update your cookie settings at any time on the cookies page.
Your cookie preferences have been saved. You can update your cookie settings at any time on the cookies page.
Sorry, there was a technical problem. Please try again.
This site is a beta, which means it's a work in progress and we'll be adding more to it over the next few weeks. Your feedback helps us make things better, so please let us know what you think.
Name of officer concerned: PC William Pieterson
Dates: 17/09/2026
Time: 10am
Location: PSD (2nd Floor), Ivason House, 8A London Bridge Street, London SE1 9SG
PC William Pieterson, based in B Division, will answer allegations that his conduct amounted to breaches of the Standards of Professional Behaviour, in respect of:
It is alleged that between 1 April 2025 and 26 April 2026, whilst using a British Transport Police issued mobile device, PC Pieterson exchanged messages with another that were inappropriate, derogatory, and discriminatory in nature.
PC Pieterson faces an additional allegation that his actions detailed above, constitute a breach of the BTP Mobile device acceptance terms and conditions, in that he used a work device for communications that were inappropriate.
It is further alleged that PC Pieterson did not take appropriate action to challenge or report inappropriate and derogatory communications sent by a CPS Prosecutor.
It is alleged that these matters individually and/or cumulatively amount to gross misconduct, namely a breach of the Standards of Professional Behaviour that, if proved, are so serious as to justify dismissal.
The identity of victims/witnesses will be protected during the hearing as appropriate.
Register to attend
If you wish to apply to attend the hearing please complete the form on our upcoming hearings page, you must book no later than 1pm the previous working day. This is to allow for sufficient time to process the application. Any requests received after this time will be unable to be processed in time for the hearing and therefore will be rejected.
Please ensure that you have read the conditions of entry prior to booking.