I found this...


Determining EDTA in Blood
A murder trial sheds light on the need for a better analytical method
Robin L. Sheppard
Jack Henion
Cornell University

It is not often that a story on the national evening news uses words such as "liquid chromatography" and "mass spectrometry". Analytical chemists who heard such reports during the murder trial The State of California v. Orenthal James Simpson immediately perked up their ears, amazed that the analytical details of FBI laboratory testing were actually making headlines.

http://www.chelationtherapyonline.com/articles/p60.htm