 He was the first scientist to handle and perform PCR analysis on several key evidence items, including the Rockingham glove and the sock from Simpson's bedroom.He testified that Simpson, Brown and Goldman's blood was on the glove found at Rockingham, Nicole's blood was found on the sock in Simpson's bedroom and Goldman's blood was found in Simpsons Bronco.All but one drop of blood collected by Fung and Mazzola was PCR testable.