Piers Morgan knew the right way to hack telephones and defined the right way to do it, a former Mirror journalist has instructed the High Court.

David Seymour, the group political editor of the newspaper from 1993 to 2007, gave proof within the trial in opposition to publishers Mirror Group Newspapers (MGN), introduced by claimants together with Prince Harry.

Mr Seymour instructed the court docket that whereas he had no private data of cellphone hacking throughout his time on the Mirror, he did have expertise of the "work and behaviour" of Mr Morgan, who he described as an "extremely boastful" individual.

In his witness assertion submitted to the court docket, Mr Seymour mentioned he "came to learn of some of the dubious methods being used to get stories" throughout Mr Morgan's time in cost, between 1995 and 2004.

Describing an incident that adopted a boss's lunch in 2002, Mr Seymour mentioned he was approached by a colleague as he sat at his desk.

"My colleague started by saying: 'You'll never guess what Piers just said'," Mr Seymour wrote in his assertion.

The colleague instructed Mr Seymour that Mr Morgan had "mocked" the then chief government of BT, "saying something like: 'You need to tell your customers to change the PIN numbers on their mobile phones from factory settings, because otherwise you can just get into their voicemail messages'.

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"My colleague then explained to me how it was done - in fact they had to explain three or four times since I am not technically literate, and I still wasn't sure how phone hacking was done by the end of our conversation.

"My colleague additionally instructed me that everybody else on the desk heard what Piers had mentioned."

'Truth by no means emerged' about Princess Diana story

Mr Seymour mentioned he had "no reason to doubt the veracity" of what his colleague had instructed him, and mentioned he recalled the dialog "very well" as his colleague "was so shocked".

In court docket, MGN's lawyer Richard Munden requested Mr Seymour why Mr Morgan would talk about this type of factor overtly. Mr Seymour instructed the court docket that Mr Morgan was "boastful" and would "behave foolishly" at instances.

The former political journalist additionally gave particulars a couple of story written about Princess Diana, which included a photograph of her crying after a go to to her "saviour" good friend and therapist as she dealt together with her divorce from Prince Charles, now the King.

Mr Seymour spoke concerning the article in court docket, and mentioned in his witness assertion: "The article clearly suggests to readers, and the public, that Princess Diana was upset because of the problems she faced in her life, and having unburdened herself to her therapist."

However, Mr Seymour mentioned that a number of days after the story was revealed, he remembers seeing Mr Morgan and others watching a video which had been taken by a paparazzi photographer current on the time, which confirmed why Diana was actually upset - after being "hounded up and down the street by a baying, cat-calling mob of photographers" from a lot of completely different press organisations.

Mr Seymour mentioned in his assertion that "the truth never emerged" about how the story was obtained and he was "upset and ashamed that we had printed something so cruel, intrusive and false". He mentioned Mr Morgan understood the importance of the video, writing in his assertion that the then editor mentioned: "If this gets out, we're finished."

'Craig Charles thought I used to be a Coronation Street mole'

The bulk of the proof on Monday got here from Coronation Street actor Michael Turner, who performs Kevin Webster within the cleaning soap and is understood professionally as Michael Le Vell.

Asked by MGN's lawyer Mr Munden why he's satisfied he was the sufferer of illegal data gathering, the actor responded: "There just seems to be a few coincidences, let's say."

He continued: "To be honest, I never really thought about it until someone got in touch with me to point things out."

The actor's declare issues 28 articles revealed between 1991 and 2011, protecting a spread of tales - together with a housebreaking at his dwelling and the births of his kids, in addition to his arrest for suspected sexual offences, which he was later cleared of, in 2011.

During cross-examination by MGN's lawyer, Mr Turner conceded that some particulars included in tales he has complained about have been obtainable publicly.

He instructed how his Corrie co-stars thought he was a "mole" - and mentioned in his witness assertion that he mentioned on the time he discovered this "more offensive than being called a sex offender".

In court docket, he mentioned: "Being a mole or leaking was one of the worst things you could do in our business."

He went on to say he was "mortified" that his former co-star Craig Charles, finest recognized for starring in Red Dwarf, thought he had been leaking data.

Asked to make clear whether or not he genuinely thought this was worse than being accused of sexual offences, he replies: "It's not, obviously." Mr Turner instructed the court docket he mentioned this to emphasize the severity of the accusation and the way terrible he felt about it.

Mr Turner was later accused himself of a sexual offence, in 2011, however was cleared.

The actor is amongst greater than 100 people suing MGN - writer of the Daily and Sunday Mirror and the Sunday People - for compensation over claims its journalists have been linked to cellphone hacking, so-called "blagging" or gaining data by deception and using personal investigators for illegal actions.

The actor's case is certainly one of 4 consultant claims being heard on the High Court in London, alongside related claims introduced by the Duke of Sussex, Hollyoaks and former Coronation Street actress Nikki Sanderson, and Fiona Wightman - the ex-wife of comic Paul Whitehouse.

MGN denies Mr Turner's declare, arguing there's "no evidence" of voicemail interception or illegal data gathering referring to him.

Mr Munden has instructed the court docket that Mr Turner's case is "particularly weak", with articles within the declare revealed earlier than cellphone hacking began, or when it had "significantly dropped off".

Mr Turner's proof is because of resume on Tuesday and the case is predicted to conclude by the tip of the month, with a ruling anticipated at a later date.