Rights groups have long campaigned for justice over alleged extrajudicial executions of thousands of mainly young people across Iranian prisons in 1988, just as the war with Iraq was ending.
She stressed the need for the country to develop a public policy to dismantle "the criminal groups that succeeded paramilitary structures and their support networks," as was stipulated in the 2016 peace agreement.
Among them was completing judicial reforms announced in January to guarantee the system's "independence, impartiality, transparency, accessibility and effectiveness".
"Behind today's racial violence, systemic racism and discriminatory policing lies the failure to acknowledge and confront the legacy of the slave trade and colonialism," she said.
Floyd, a 46-year-old black man, died in Minneapolis on May 25 after a white police officer -- since charged with murder -- pressed his knee on Floyd's neck for nearly nine minutes.