Peter Gelblum was a plaintiff attorney with Mitchell, Silberberg & Knupp who appeared for Frederick Goldman. Proceeding records identify him as examiner of Lawrence Schiller, Bernie Douroux, Susan Brockbank, Michael Romano, Mark Krueger, Bill Renken, Dr. Park Dietz, and Dr. Donald Dutton, among other witnesses. During an extensive cross-examination of defense photo expert Robert Groden, Gelblum challenged Groden's résumé claims, credentials, tabloid dealings, and methodology and used other frames from the photographic roll to challenge the claimed anomalies.