asked the Minister for Immigration and Citizenship, in writing, on 20 June 2011:

(1) Which immigration detention facilities (a) have active X-ray scanners, and when were they installed, and (b) do not have X-ray scanners, and why not.

(2) Are X-ray scanners used to scan all items brought into immigration detention centres; if not why not, and which items are subject to X-ray scanning.

(3) Do official protocols exist to govern the use of X-ray scanners at detention facilitates; if not, why not; if so, will he provide a copy.