The last known photograph of Fereshteh Alizadeh looking through a gate as security forces stand in the foreground during the July 1999 Tehran University (Kuye Daneshgah) protests.

A photograph showing Fereshteh Alizadeh inside a security vehicle mesh cage after being detained during the July 1999 student protests in Tehran.

Saeed Zeinali has been missing for over 25 years after being arrested by security forces following the July 1999 student protests at Tehran University.

A memorial portrait of Ezzat Ebrahimnejad, who was killed on 18 Tir 1378 (July 9, 1999) in Koye Daneshgah (Tehran University Dormitory) by Massoud Dehnamaki, his friends, and Mehdi Safaritar, son of the Friday prayer leader of Eslamshahr.

A memorial portrait of Ezzat Ebrahimnejad, a law graduate and student activist, who was killed by security forces at Tehran University Dormitory on July 9, 1999.

Memorial portrait of Ezzatollah Ebrahimnejad, 24, a law graduate of Chamran University Ahvaz, who during the Koye Daneshgah dormitory events had come to the student dorm to visit friends, was connected with literary circles in Ahvaz and Tehran, and was at Koye Daneshgah on 18 Tir 1378.

Black and white footage and images tell the story of Saeed Zeinali, a student arrested at his home on July 14, 1999, during the Tehran University dormitory protests, whose fate remains unknown.

Archival video shows students being thrown from the roof of the Tehran University dormitory, an incident presented as an example of Mohammad Bagher Qalibaf's actions during his command of the Law Enforcement Force.

Memorial portrait of Fereshteh Alizadeh, a student activist at Alzahra University, who was subjected to enforced disappearance during the July 9, 1999 attack on the Tehran University dormitory; more than twenty years later, her fate is still unknown and no definitive official report has been published.

A memorial portrait of Akbar Mohammadi, a pioneering poet and political activist who died under torture in prison in August 2006, and Ezzat Ebrahimnejad, who was killed during the University Dormitory attack.

A memorial portrait of Akbar Mohammadi, poet and political activist who died under torture in August 2006 after years in prison, and Ezzat Ebrahimnejad, killed in the attack on the University dormitory.

Memorial portrait of Akbar Mohammadi of Amol, a social work student at the Faculty of Welfare and Rehabilitation Sciences, University of Tehran, arrested on July 9, 1999, during the Tehran University dormitory protests and who died on August 8, 2006, in prison after torture and a nine-day hunger strike.