northamptonshire police
The 19-year-old’s family are set for a two-day judicial review hearing at the High Court in November where they allege the foreign secretary “obstructed justice”.
Northamptonshire Police attempted to blame the media for "clumsy" remarks despite chief constable Nick Adderley being quoted in full.
A family spokesperson said footage of a near-miss close to RAF Croughton had "sent shivers down my spine and made me feel sick."
Two men in their twenties have also been arrested.
The 19-year-old was killed in a motorbike crash in Northamptonshire on August 27.
Anne Sacoolas, the wife of a US diplomat, is believed to have been driving on the wrong side of the road when she hit Dunn’s motorbike.
Anne Sacoolas has asked to be interviewed by officers from Northamptonshire Police.
A spokesperson for Dunn's parents said the decision was 'further compounding the family's misery'.
Suspect Anne Sacoolas said she had been 'devastated' by the 'tragic accident'.
Family of teenager killed in a crash are caught up in a row with the US over diplomatic immunity.