Herbert Rice, 79, speaks to media at the University of Pennsylvania, on Wednesday, Oct. 23, 2024, in Philadelphia. (AP Photo/Laurence Kesterson)

Herbert Rice, 79, speaks to other former inmates on Wednesday, Oct. 23, 2024, at the University of Pennsylvania in Philadelphia. (AP Photo/Laurence Kesterson)

Herbert Rice, 79, poses for a photo at the University of Pennsylvania, on Wednesday, Oct. 23, 2024, in Philadelphia. Rice is one of many Black men who took part in prison medical testing from 1951 to 1974 at Philadelphia city prisons. (AP Photo/Laurence Kesterson)

Herbert Rice, 79, poses for a photo on Wednesday, Oct. 23, 2024, in Philadelphia. Rice is one of many Black men who took part in prison medical testing from 1951 to 1974 at Philadelphia city prisons. (AP Photo/Laurence Kesterson)

FILE - Edward Anthony speaks of his time at Holmesburg Prison in Philadelphia and the tests in which he participated while incarcerated there, Oct. 24, 2007. (Michael Bryant/The Philadelphia Inquirer via AP, File)

Herbert Rice, 79, poses for a photo at the University of Pennsylvania, on Wednesday, Oct. 23, 2024, in Philadelphia. Rice is one of many Black men who took part in prison medical testing from 1951 to 1974 at Philadelphia city prisons. (AP Photo/Laurence Kesterson)

Herbert Rice, 79, right, is embraced by Adrianne Jones-Alston, on Wednesday, Oct. 23, 2024, in Philadelphia. (AP Photo/Laurence Kesterson)

FILE - People incarcerated at the maximum security Holmesburg Prison in Philadelphia, turn out bullets for police revolvers, April 16, 1957. (AP Photo/Bill Ingraham, File)

FILE - Holmesburg Prison, in the northeast section of Philadelphia, 1970. (AP Photo/Bill Achatz, File)