Michael Donovan, in whose flat the youngster was found in the base of a bed, was also jailed for eight years.

BBC: Shannon Matthews report not to be published in full

The company also provided toxicology evidence against Karen Matthews and Michael Donovan which helped ensure their conviction for kidnapping and drugging schoolgirl Shannon.

BBC: Forensic Science Service to be wound up

Last year, Matthews, then 33, was jailed for eight years for her part in what a judge described as a "truly despicable" plot with Michael Donovan, in whose flat Shannon was found.

BBC: Shannon Matthews: Kirklees social services cleared