A tabloid reporter has admitted phone hacking "on a fairly grand scale" at the Sunday Mirror and the News of the World.
Daniel Evans was involved in hacking at the Sunday Mirror for about a year and a half from 2003 but it had been going on long before that, he told the Old Bailey hacking trial.
Asked by prosecutor Andrew Edis QC what his job at the Sunday Mirror was, Mr Evans said: "I was a news reporter. Principally I was tasked with covering news events, investigations, undercover work, latterly with hacking people's voicemail."
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He told the court he had been approached by a journalist to join the News of the World in 2005.
Dan Evans: I was hacking phones at Sunday Mirror 'on a fairly grand scale'— CourtNewsUK (@CourtNewsUK) January 27, 2014
Mr Evans told the Old Bailey that he was approached by staff from the News of the World three times before he finally resigned from the Sunday Mirror in October 2004 and left three months later.
He said: "I was bringing phone hacking techniques and methodology. I was bringing a pretty lengthy list of phone hacking targets. People whose voicemails had been intercepted, general skills to perpetuate that activity."
Phone hacking was discussed with the journalist when they first discussed a job at the NotW in a bar, the court heard.
He said: "Voicemail interception became part of the conversation. It was not referred to as phone hacking - that phrase did not exist then.'
But he told the court he did not want to become a "pet phone hacker", for James Weatherup, who was already working at the NoTW.
Evans discussed the practice with staff from the newspaper when they had their first meeting to discuss a possible job, the court heard.
He said: "Voicemail interception became part of the conversation. It was not referred to as phone hacking - that phrase did not exist then."
At a second meeting at the same bar with Weatherup, they were joined by another NOTW staff member, who cannot be named.
Evans said: "He sat down and said 'I know you can screw phones, what else can you do?' "
To which Evans, 38, replied: "Quite a lot, actually. I told him I was an investigative reporter."
Mr Evans told the court about the 'Kerching moment' when he met Andy Coulson at a hotel to discuss a job at the NotW for the third time.
He said: "I told him about my background, the sort of stories I had been doing. Almost the sort of stuff I had been through before."
Following prompting by the other NotW journalist he had dealt with before, he said: "I got onto voicemails and interception and I told him I had a lot of commercially sensitive data in my head and how things worked at the Sunday Mirror and I could bring him big exclusive stories cheaply which was the kerching moment. Bring exclusive stories cheaply equals job."
One way to bring in exclusive stories cheaply was to listen to someone's voicemails and work out who they were having a relationship with, he said.
That would "shift units from supermarket shelves", Evans said.
Earlier, the court heard how a close member of Jude Law's family was leaking information to the NotW for money in 2005, the phone hacking trial has heard.
The 41-year-old Alfie star was quizzed by former editor Andy Coulson's lawyer, Timothy Langdale QC, about a story about his then-girlfriend Sienna Miller having an affair with actor Daniel Craig.