Prince Harry's troubles might not be over as top-notch legal team tries to find out if he lied about drug use on his visa, say royal experts on PALACE CONFIDENTIAL WATCH: This week's episode of Palace Confidential on YouTube now SUBSCRIBE: Follow the Daily Mail Royals YouTube channel to never miss an episode PODCAST: Get all the latest news and insider gossip on our new politics show – Welcome to MAGAland PODCAST: All the latest headlines, including Trump’s bold move to void Biden’s pardons and Gavin Newsom’s unexpected statue plans By CAMERON ROY Published: 11:25 GMT, 21 March 2025 | Updated: 11:40 GMT, 21 March 2025 Prince Harry could be in trouble as the US think tank trying to find out if he lied about his past drug use on his visa form has a 'top-notch' legal team, say royal experts. The Duke of Sussex, 40, was relieved to find out on Tuesday that the federal government had declared that he did not receive any special treatment when he applied for a visa in the US. In heavily-redacted documents, a lawyer from the Department of Homeland Security (DHS) said his application followed all the 'applicable rules and regulations'. The ruling came after a lawsuit was brought by the right-wing Heritage Foundation against the federal agency to prove Harry lied in his application - which led to speculation that President Donald Trump may deport the Prince. The case was brought after concerns were raised Harry had been given a pass despite having spoken publicly about using cannabis, cocaine and magic mushrooms in his memoir - behaviour that would usually see someone barred entry. But the Daily Mail's Editor at Large Richard Kay has warned the Prince that although things going well for him so far, there might be more legal proceedings to come. On the latest episode of the Daily Mail's YouTube show Palace Confidential, he said: 'I think he would be foolish to think this is now all over. 'What I have learned is that the Heritage Foundation is an organisation that is very much in tune with the Donald Trump White House and they have really got the bit between their teeth. On the latest episode of Palace Confidential, the Daily Mail's Editor at Large Richard Kay said: 'I think he [Prince Harry] would be foolish to think this is now all over' The case was brought after concerns were raised Harry had been given a entry to the US despite having spoken publicly about using cannabis, cocaine and magic mushrooms in his memoir. Pictured: Prince Harry clenches his fist as he leaves Eton College on June 12, 2003 The six documents that were released on Tuesday contained heavily redactions to protect Harrys' privacy and stop him being subjected to 'harassment' Watch the latest episode of Palace Confidential here: 'They are very well resourced, well funded, and they have got a top-notch legal team. 'And they are pursuing this, they will go on and are confident at some stage, either through legal means or by Trump himself unilaterally issuing the actual documents that everyone wants to see, that they will get to the bottom of it.' The documents that were released earlier this week contained page after page of blocked-out type in an effort to protect Harry's privacy and prevent him from being subjected to 'harassment'. His actual immigration file is also still private, with the chief Freedom of Information Act officer at DHS, saying the agency determined it was not possible to release 'any portion' of Harry's records as anyone with a familiarity with immigration law could easily determine Harry's status. The Prince has not publicly revealed his status in the US after immigrating in 2020 with Markle, 43, with whom he has two children. The Daily Mail's Diary Editor Richard Eden believes the high profile case could even draw the attention of Donald Trump if it were to rumble on. He told the panel: 'It is a question of fairness isn't it? 'What I have heard from various Americans is they do feel strongly about it because lots of people are barred from entering America because drug use that could be a long time in the past or something very minor. 'And here they have someone who was boasting frankly in his memoirs about past drug use has been welcomed in with a red carpet. The lawsuit against the Department of Homeland Security (DHS) was brought by the right-wing Heritage Foundation Pictured: The Duke of Sussex, looks out into the crowd during the New York Times annual DealBook summit at Jazz at Lincoln Center on December 4, 2024 in New York City Heritage argued that Harry admitted repeated drug use in his 2023 memoir Spare and his Netflix TV series, including using cannabis, cocaine and magic mushrooms The Daily Mail's Diary Editor Richard Eden believes the high profile case could even draw the attention of Donald Trump if it were to rumble on The expert's comments were made on the latest episode of Palace Confidential, where a panel of royal experts give their fresh insights and discuss the biggest royal news of the week on YouTube 'We know that Donald Trump has strong views on immigration so he would want to be seen to treat the rich the same as other people. I think it is an issue we will carry on hearing about.' When asked if the row could escalate and Harry could be kicked out of America, Richard Kay replied: 'I would never say never. We just don't know, but I think it is highly unlikely. 'But there may be issues if Harry was to leave the country and fly back in. It could be very embarrassing if he was detained at immigration.' Nile Gardiner, director of the Margaret Thatcher Center for Freedom at Heritage Foundation, has previously appealed to Trump to make the files public. He said that the president had put 'border security and the application of the rule of law a top priority'. In the past Harry has been frank about his drug use and once said that cannabis helped heal the trauma of the death of his mother, Princess Diana. The Duke said that using ayahuasca, a psychedelic drug, he realized that his mother wanted him to be 'happy'. Richard Kay added: 'What we are trying to find out was if Harry was truthful about his drug use when he applied for his green card to live in America. 'This might automatically disbar him from being allowed in the US. It is possible he could even be deported, although it is probably unlikely. Nile Gardiner (left), director of the Margaret Thatcher Center for Freedom at Heritage Foundation, is campaigning for the documents to be released Trump previously said he was giving Harry a break because 'he's got enough problems with his wife' (Harry pictured with Meghan) 'It is also possible that Harry admitted this on the form and a special waver was issued to allow him to stay. 'There could be that there is something there that the public have a right to know.' The case has led to speculation that Donald Trump might kick Harry out of the country as the President said last year he 'wouldn't protect him'. But last month Trump changed his tune and said he wouldn't deport Harry – because his wife is 'terrible'. Speaking to the New York Post, the President said he was giving Harry a break because 'he's got enough problems with his wife'. After the documents were released on Tuesday, Nile Gardiner spoke exclusively to DailyMail.com. Prince Harry 'hates America' and should leave now, group behind visa lawsuit claims He said: ‘These documents do not in any way alter the big picture which is that Harry’s visa application needs to be released to the American public in full. ‘The American public deserves to know how he entered the country and if he did so legally. ‘The documents are so heavily redacted by the Biden-era Department of Homeland Security they offer no answers at all. ‘I believe these documents will only reinforce calls for the release of the full Harry visa file. ‘The American public deserves to see Harry’s records if there is nothing to hide. ‘These documents were written under Joe Biden's administration and offer a complete lack of transparency and accountability. ‘President Trump’s administration has consistently promised transparency and accountability, especially on the subject of immigration,' he continued. ‘There is a very strong possibility, in my view, that the Trump administration will release Harry’s visa file in a full, unredacted and complete way.' Prince William arrived in Estonia and met the country's president Alar Karis on Thursday The Princess of Wales enjoyed a glass of Guinness during a visit to the Irish Guards for their St Patrick's Day Parade at Wellington Barracks on Monday During the visit to Commercial Court, the King and Queen paused for a pit stop at a local pub, The Friend at Hand, where they were treated to whiskey tasting on Wednesday The expert's comments were made on the latest episode of Palace Confidential, where a panel of royal experts give their fresh insights and discuss the biggest royal news of the week on YouTube. On the episode the panel also discussed the news that Prince William visited Estonia to meet its president and the British troops based there in a show of support amid raised tensions with Russia. Elsewhere in the show, the panel discussed Kate Middleton's visit to the Irish Guards' for their St Patrick's Day parade where she sipped on a pint of Guinness. There was also chat about the King and Queen's visit to Northern Ireland where they sampled some whiskey. They also discussed the news of King Charles meeting the new Canadian Prime Minister Mark Carney, amid tensions with America after Trump called on the nation to become the US's 51st state. Later the experts mentioned Kate and William watching the Wales vs England rugby match - each awkwardly backing opposing sides. There was also some chat about Meghan Markle's fresh frustration over a string of errors in her attempt to trademark her new brand 'As Ever'. Towards the end of the show, the panel looked at Richard Eden's story that America could be invited to become an 'associated member' of the Commonwealth. The royal experts then revealed their unsung royal hero of the week. To hear all the insights from the team of unrivalled royal experts, watch the full 28 minute-long show on YouTube now. 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