Their detection technique accurately spotted the presence of the cadavers, at times ranging up to 20 weeks after burial - the decomposition process eventually exhaust the supply of proteins.

BBC: Hidden graves found using chemical 'sniffer' technology

They each requested the GAO look into the approval process when the normal qualifications for burial at Arlington are waived.

CNN: Arlington Controversy Continues

The burial would be the final part of a process developed by the University of Liverpool and Alder Hey Children's NHS Foundation Trust, which complies with the Human Tissue Authority Code of Practice issued in 2005.

BBC: Hospital to bury unclaimed organs

Cardiff council is about to finish an extension at Thornhill cemetery and is in the process of planning for an extension at Western cemetery, which will add another 10 to 20 years of burial space.

BBC: Glanogwen churchyard, Bethesda