Harry Dunn’s twin brother has revealed his heartache ahead of their 21st birthday.
Niall Dunn, 20, says he “lost everything” when motorcyclist Harry was killed in August 2019.
Since the tragedy he has had to give up work and move home to live with mum Charlotte Charles, 46.
Niall now fears he will struggle to move on unless Harry’s alleged killer –American Anne Sacoolas – faces justice.
But the diplomatic row over her controversial flight from the UK is
Niall’s milestone birthday on March 22 will be another painful reminder of his brother’s absence.
He said: “It’s so difficult to describe what birthdays, Christmas, and Mother’s Day and Father’s Day are like now.
“I know my parents want to make these days special for me but none of us can get away from the fact that Harry isn’t there any more.
“To be honest, as special as these days have been in our lives, I dread them now.
“I feel like I have lost everything losing Harry and I just can’t find my feet.
“Losing a twin is like losing half of you.”
Niall moved out of home for the first time in April 2019 to live with a friend in the village of Croughton, Northants.
He found work as a steel fabricator and was loving his new-found independence.
Mum Charlotte said: “He was working hard and feeling so proud of himself, and we were so proud of him.”
But on August 27, 2019, everything changed for Niall.
Keen biker Harry, 19, was riding past the US military base at RAF Croughton when he was fatally injured in a crash.
Mum-of-three Sacoolas, 43 – whose husband worked at the base – was spoken to by police at the scene.
She later fled the country claiming diplomatic immunity.
Niall tried to return to his job – just 100 yards from the crash scene – but found it impossible to focus.
Charlotte explained: “He couldn’t concentrate and couldn’t stand the thought of people not knowing what to say to him.
“He tried carrying on living in the house but couldn’t manage it – the flat was 200 yards from where Harry died and work was even closer.”
Niall moved back to Charlton, Northants, to live with Charlotte and stepdad Bruce Charles, 57. In the 18 months since his brother’s death he has spent much of his time playing on his computer, watching TV and playing
his electric guitar.
Former GP surgery worker Charlotte also gave up her job in the wake of Harry’s passing.
She said: “Niall’s really suffering. He’s been struggling the whole time and it’s not getting any easier for him.
“The world was just opening up for him when Harry died, there was every possibility out there.
“But now Niall is the unseen casualty of this situation.
“He hates going for walks in case he is recognised and worries what people will say to him. He’s had his life robbed as well and we are just supporting him as much as we can.”
Niall added: “I just couldn’t bear living close to where he died. It was too painful. At the moment I’m just living hour by hour, trying to get through every painful day the best way I can.”
For Harry turning 21 would have marked an important milestone in
his life. On his birthday he would have been eligible for a full licence, allowing him to ride a bike of any engine size.
Harry shared this passion for bikes with stepfather Bruce, who has now quit biking after 40 years in the saddle out of respect for Charlotte.
Niall says his coming-of-age birthday will be “bittersweet” for mum Charlotte and his dad Tim Dunn, 51.
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He explained: “I just wish my brother was here with me to celebrate.
“I feel completely empty, sad and angry about the way our lives have changed. We have all tried to take steps forwards but it’s just not possible until we get justice and closure.”
Sacoolas was charged with causing death by dangerous driving following her return to the United States.
However, formal extradition requests have been turned down by the Trump and Biden administrations.
In November, High Court judges ruled that Sacoolas was entitled to diplomatic immunity at the time of Harry’s death.
A legal “loophole” meant she qualified through her husband, even though he did not have protection.
This loophole has now been closed by the UK Government.
Harry’s family still hope the mum, who lives in Virginia, will “do the right thing” by facing a British court.
They are also pursuing a civil claim against Sacoolas and her husband in the US.
Family spokesman Radd Seiger said: “The 21st birthday will be particularly tough to go through because it’s a coming-of-age.
“The family are still suffering as much today as on August 27, 2019, and they are not going to get closure until they get justice.
“We are repeatedly told that the Crown Prosecution Service remain intent on ensuring that she stands trial in the UK. Nothing has changed in that respect.
“There are discussions going on between London and Washington and myself to try to find a way forward.”