Seven people have been arrested in connection with a missing £10.25 million loan made by the Borough Council to Northampton Town Football Club for stadium development work.
The cash was handed over in 2013 but it's been alleged that only a small part of the money was given to developers the Buckingham Group.
At the end of 2015 police announced that they were investigating to discover whether the rest of the funds had been misused.
They've now confirmed that they are following up more than 700 lines of enquiry.
Although no-one has been charged seven people have been arrested and another nine have been interviewed under caution.
In a statement police said