A WPC was a female police officer in the 20th century.
River Song posed as "WPC Pond" in 1963 Shoreditch. (AUDIO: An Unearthly Woman [+]Matt Fitton, The Diary of River Song: Series Six (The Diary of River Song, Big Finish Productions, 2019).)
Monaghan was a WPC in 1969. (PROSE: The Very Real Mystery of Wester Drumlins [+]Into the Unknown (2021).)
Both Patricia Haggard (PROSE: The Scales of Injustice [+]Gary Russell, Virgin Missing Adventures (Virgin Books, 1996).) and "Ann Kelso" were WPCS in the 1970s. (AUDIO: The Sinestran Kill [+]Error: Code 2 - no data stored in variables, cache or SMW.)
By 2021, the title of WPC was considered out-of-date, as noted by Rani Chandra in an article on the history of Wester Drumlins she wrote for Into The Unknown. (PROSE: The Very Real Mystery of Wester Drumlins [+]Into the Unknown (2021).)