This appears to be a smoking gun or “gotcha!” moment:
Officers from the Met have uncovered a secret mobile phone within News International’s London offices that was used in illegal hacking.
The Independent has established that the phone, nicknamed “the hub”, was registered to News International and located on the News of the World’s news desk. Operation Weeting, the Metropolitan Police’s hacking inquiry, has evidence that it was used illegally to access 1,150 numbers between 2004 and 2006.
Weeting officers regard the extensive use of the phone over two years as significant new evidence, showing that phone hacking was carried out within the paper’s newsroom.
Read more on Belfast Telegraph.