Jeremiah Duggan died after travelling to to Wiesbaden, south west Germany in 2003 to what he believed was a two-day peace conference.

The mother of a 22-year-old man who died abroad in mysterious circumstances while visiting an extreme political group described as ‘a cult’ has welcomed a fresh investigation, 11 years on from his death.

Jeremiah Duggan, a Jewish student protesting the Iraq war, travelled to Wiesbaden, south west Germany in 2003 to what he believed was a two-day peace conference.

But days later Jeremiah, who studied at Quainton Hall School in Hindes Road, Harrow, called his mother at 5am, saying he was in danger from the right-wing LaRouche movement who were hosting the event, and within an hour his dead body was found beside the road, close to the LaRouche offices, with German police concluding that his death was a suicide by means of a traffic accident.

German authorities considered it ‘case closed’, but after 11 years of fighting for justice, Jeremiah’s mother Erica has finally got her wish for a fresh, three-day inquest to be held in March next year.

After a hearing at the Coroner’s Court for North London on Wednesday which confirmed a new investigation would take place, Mrs Duggan said: “For the last eleven years the Duggan family have tried to get their son’s death investigated but it is their view that the German authorities have failed to carry out a proper investigation.

She added: “A British Jewish young man dies in Germany and they do not care. The questions remain: How did Jeremiah die and why was he in a state of terror before his death?”

Jermiah’s mother is not the only one to cast doubt over the German investigation.

Dr William Dolman, a coroner for the northern district of London, said in 2003: “I could not accept the bold conclusion that Jeremiah Duggan intended to take his own life."

He added at the time that Jeremiah had been ‘in a state of terror’, and said: “No other words reflect Jeremiah’s state of mind.”

The LaRouche movement, led by one-time presidential candidate for the United States Lyndon LaRouche, have said a number of negative things about the British in the past.

Mr LaRouche once said: “America must be cleansed for its righteous war by the immediate elimination of the Nazi Jewish Lobby and other British agents from the councils of government, industry, and labour.”

LaRouche has also claimed that Jeremiah’s death was ‘a hoax constructed by supporters of Tony Blair and Dick Cheney’. In 2011 Mrs Duggan's legal team told a coroner's court that the LaRouche movement was 'a political cult which has anti-Semitism and fascism in its ideology'.

Mrs Duggan has written to the German Chancellor, Angela Merkel, but received no response. The three-day inquest will take place on March 17, 18 and 19 next year.