"He was told that he wouldn't be able to go to America," they added.teenager from Bedfordshire has been banned from entering the United States for life for sending a "threatening" e-mail to the White House.
Luke Angel, 17, of Silsoe, was investigated after he expressed his dislike of President Barack Obama and the US Government.
Bedfordshire police, who then visited Luke, said the e-mail was full of abusive and threatening language.
A spokeswoman said it was a case of a boy "being silly" and no criminal action was being taken.
BBC News - Obama e-mail teenager gets US ban