The adulterated blood found behind a door and the socks were all tested and compared to the blood in the test tube containing EDTA. All three methods identified that the blood was not dropped by a police officer and that the EDTA level was not very high, so the police had absolutely nothing to do with the blood found. The method that was used to conclude the result was LC-MS/MS.References:1) PROVE THE CASE: DNA EVIDENCE IN THE JO SIMPSON CASE. (nd). Retrieved October 9, 2014, from http://phobos.ramapo.edu/~jweiss/laws131/unit3/simpson.htm2) USDOJ/OIG FBI Laboratories Report. (nd). Retrieved October 11, 2014, from www.justice.gov/oig/special/9704a/07simpso.htm 3) Uses, Side Effects, Interactions and Warnings - WebMD. (nd). Retrieved October 9, 2014 from http://www.webmd.com/vitamins-supplements/ingredientmono-1032-edta.aspx?activeingredientid=1032&activeingredientname=edta4) Miller, M., Mccord, B., Martz, R., & Budowle, B. (1997). Analysis of EDTA in Dried Blood Spots by Electrospray LC-MS-MS and Ion Chromatography. Journal of Analytical Toxicology,