HC Deb 11 January 1990 vol 164 c732W
Mr. Mullin

To ask the Secretary of State for the Home Department if he will list any cases in the last two years where persons facing explosives charges have been released despite positive forensic tests.

Mr. Waddington

The information requested could be obtained only at disproportionate cost.

Mr. Mullin

To ask the Secretary of State for the Home Department if he will name the forensic test which proved positive against Mr. Daniel McBrearty; and if he will make a statement.

Mr. Waddington

Positive results were obtained from three separate tests—(i) gas chromatography with chemiluminescent detection; (i) gas chromatography with mass spectrometric detection; (iii) thin layer chromatography.