A memorial portrait of Dariush Forouhar and Parvaneh Eskandari, who were killed in their home with multiple stab wounds on November 22, 1998, during the political 'Chain Murders'.

A memorial portrait of Dariush Forouhar and Parvaneh Eskandari, who were killed in their home with multiple stab wounds on November 22, 1998, during the political 'Chain Murders'.

Memorial portrait of a writer who knew he was being targeted; seven days before he left home for the last time with a few grocery coupons, he wrote in his office that crisis and the threat to their lives would last as long as those in power remained.

A memorial graphic for Ebrahim Zalzadeh, a journalist and publisher born in 1947 who was a victim of the Chain Murders in 1997.

A portrait of Piruz Davani, a left-wing writer and journalist who disappeared in late August or early September 1998 as part of the Chain Murders of Iran.

Ali-Akbar Sirjani, a writer and researcher of Persian language, who was killed in November 1994 following a long detention as part of the Chain Murders of Iran.

Portrait of Ahmad Tafazzoli, a Tehran University professor and linguist who was killed in January 1997 as part of the Chain Murders of Iran.

The grave of Fereydoun Farrokhzad, an Iranian entertainer and political activist murdered in August 1992 as part of the Chain Murders.

Portrait of Kazem Sami, an Iranian psychiatrist and the first Minister of Health after the 1979 revolution, who was assassinated in 1988 as part of the political chain murders.

An old photograph shows Majid Sharif, an Iranian writer and translator who was a victim of the political Chain Murders in 1998, holding a young child.

A photograph of Parvaneh Eskandari and Dariush Forouhar, political activists who were victims of the Chain Murders of Iran, marking the 25th anniversary of their deaths on November 22.

A portrait of Pirouz Davani, a writer and journalist who was a victim of the political Chain Murders in Iran after disappearing in August 1998.

Portrait of Mohammad Mokhtari, an Iranian poet and writer who was kidnapped and killed during the Chain Murders of Iran in December 1998.

A portrait of Mohammad-Jafar Pouyandeh, an Iranian writer and translator who was kidnapped and murdered in December 1998 as part of the state-sponsored Chain Murders.

A portrait of Mohammad Jafar Pouyandeh, an Iranian writer and translator who was murdered in the 1998 state-sponsored Chain Murders, alongside his family.

Ahmad Tafazzoli, a prominent scholar and victim of the Chain Murders of Iran, is shown in a black and white portrait sitting at his desk at the University of Tehran.

A historical portrait of Ahmad Tafazzoli, a prominent Iranian scholar and victim of the Chain Murders, sitting at a desk with books in the background.

Memorial portrait of Hamid Hajizadeh, a victim of the 1998 Chain Murders in Iran, marking the 25th anniversary of his killing.

A memorial graphic for nine-year-old Karoon Hajizadeh, who was killed along with his father Hamid Hajizadeh.

A memorial graphic for Hamid Hajizadeh, a victim of the Chain Murders who was killed along with his nine-year-old son, Karoun, by state agents.

A black and white portrait of teacher and poet Hamid Hajizadeh, a victim of the 1998 Chain Murders, shared as a memorial on Teacher's Day which coincides with his birthday.

Portrait photos of poet Hamid Hajizadeh and his nine-year-old son Karun, commemorating their murder on September 22, 1998, as part of the state-sponsored Chain Murders.

Three portrait photographs of Karoon Hajizadeh, a child victim of the Chain Murders of Iran, shared in a memorial post for his birthday.

A portrait of Ahmad Miralaei, a translator and teacher who was killed at age 53 as part of the Chain Murders of Iran.

A black and white portrait of Ahmad Miralai, an Iranian translator and writer who was killed at the age of 53 during the Chain Murders of Iran.

Portrait of Ahmad Mir-Alaei, an Iranian translator and writer born in Isfahan who was killed during the Chain Murders at the age of 53.

A portrait of Ahmad Miralai, a prominent Iranian translator and writer who was a victim of the Chain Murders, alongside other intellectuals.

A black and white close-up portrait of Mohammad Jafar Pouyandeh, an Iranian translator and writer who was killed during the Chain Murders.