Over 5000 foreign national prisoners are deported each year.
To have foreign prisoners comprising 13% of the prison population is "absurd", he says.
In future, foreign prisoners will be returned to EU countries more quickly.
During its existence, it held more than 65,000 prisoners, both Spanish and foreign.
A member of the 14Knowledge told him they have a foreign prisoner.
They quickly released all the Afghans inside, but 22 foreign prisoners required further thought.
In the 17th century, it was used as a prison, primarily for foreign prisoners of war.
However, from 1989 Haslar started exclusively holding foreign national prisoners.
There is also a support group for foreign national prisoners, providing advice on immigration law.
That is where the English send a certain category of foreign prisoner.