It's emerged that another 74 statements from police and also witness accounts from the Hillsborough Disaster may have been tampered with.
The police watchdog the IPCC said the new information came to light after more notebooks were handed in by South Yorkshire Police.
Meanwhile a group of Hillsborough families came together in Liverpool to say they felt the IPCC inquiry into the Hillsborough cover-up was taking too long.
On the first anniversary of the delivery of the Hillsborough Independent Panel Report many families still have questions to be answered.
Hillsborough Justice Campaign say independent scrutiny of investigations into the aftermath of the disaster is "paramount" for campaigners
IPCC says it needs to provide the last definitive word on the disaster a year after the Hillsborough Independent Panel issued its report.