Detectives say they have now identified 80 women and girls they need to speak to as part of operation sanctuary, an investigation into sexual abuse on Tyneside.
Frances Read has been at Northumbria Police headquarters.
More top news
The constituency of Washington and Sunderland West includes the UK's largest car plant, which was opened by Nissan in 1984.
This seat was formed prior to the 2010 General Election, taking in Sunderland city centre and the Ryhope area to the south.
The constituency of Stockton South includes relatively affluent areas like Yarm and Eaglescliffe.