The wife of a US diplomat reportedly claimed immunity and left the UK after being involved in a fatal road accident.
Harry Dunn died in the incident near RAF Croughton in Northamptonshire on August 27.
The 19-year-old was riding his motorbike when a woman emerged from the airbase on the wrong side of road and there was a head-on collision, it was reported.
Northamptonshire Police met with the suspect, who is the wife of a US diplomat and who claimed immunity, Sky News reported.
"I wish to offer my condolences to the family affected by this tragic incident," he told Sky News.
"We're disgusted, appalled, how she could be having this cloak wrapped around her," his father Tim told Sky News.
"I'm angry that someone could do this and then get on a plane and go. »