Episode 70: Zhang Jun.

Zhang Jun is a Chinese serial killer who murdered at least 11 women in Harbin, Heilongjiang province, between 2007 and 2008. Zhang was known as the "Harbin Serial Killer" and the "Monster of Harbin". He was arrested on August 21, 2008, and confessed to his crimes. He was convicted of murder and sentenced to death on January 29, 2009. Zhang was executed on March 19, 2009.

Episode 69: David Thabo Simelane.

David Thabo Simelane is a Swazi serial killer who was sentenced to death for the murder of 28 women, but is suspected of murdering 45. Simelane was arrested on April 25, 2001 on a street near the graves and led the police to more graves, from which 45 bodies were found. Even the bodies of four babies were among the dead. Because of the highly advanced decay, Simelane was charged with 34 murders.

Episode 68: Luis Gregorio Ramírez Maestre.

Luis Gregorio Ramírez Maestre is a Colombian serial killer who has been convicted of murdering at least 30 people in various municipalities and cities in Colombia, including Tenerife, Sabanalarga, Aguachica, Santa Marta, Valledupar and Puerto Wilches.

Episode 67: Milton Sipalo.

Milton Sipalo, also known as the Lusaka Strangler, was a Zambian serial killer who murdered at least 29 women and girls in Lusaka between 1980 and 1981. He was the country's first recorded serial killer, and his crimes terrorized the city. Sipalo was eventually caught and sentenced to death, but he was executed by hanging in 1980.

Episode 66: The Monster of the Mangones.

The Monster of the Mangones was the name given to an unidentified Colombian serial killer who, between the 1960s and 1970s, murdered between 30 and 38 preadolescent and teenage boys in Cali. The killer's modus operandi consisted of inserting needles into the heart and thorax, assaults, rapes and torture. It is believed that he used syringes to draw blood from his victims.

Episode 65: Francisco das Chagas Rodrigues de Brito.

Francisco das Chagas Rodrigues de Brito was a Brazilian mechanic and serial killer who confessed to the murder of at least 71 children between 1989 and 2003. He was known as the "Maranhão Vampire" and the "Moise Killer". Brito was convicted of 42 murders and sentenced to life in prison. He committed suicide in his cell on January 13, 2004.

Episode 64: Radik Tagirovich Tagirov.

Radik Tagirovich Tagirov, dubbed the Volga Maniac, is a Russian serial killer who murdered at least 31 elderly women in and around the republic of Tatarstan between 2011 and 2012. In March 2024, he was sentenced to life in prison.

Episode 63: Ramadan Abdel Rehim Mansour.

Ramadan Abdel Rehim Mansour, also known as al-Tourbini, was an Egyptian street gang leader and serial killer who raped and murdered at least 32 children and youths in the course of seven years, throughout several locations in Egypt including Cairo, Alexandria, Qalyoubeya and Beni Sueif.

Episode 62: Vasili Ivanovich Komaroff.

Vasili Ivanovich Komaroff was a Russian serial killer who murdered at least 33 people in Moscow between 1921 and 1923. He is considered one of the most prolific serial killers in Russian history. Komaroff was captured in 1923 and confessed to his crimes, but he was only convicted of 29 murders. He was sentenced to 16 years in prison, but he was released in 1991. In 1994, he was arrested again for raping a young girl, and he was sentenced to eight years in prison. However, he escaped from prison in 1997 and has not been seen since.

Episode 61: Ali Asghar Borujerdi - Serial Killers.

Ali Asghar Borujerdi, better known as Asghar the Murderer was the first Iranian serial killer and rapist reported in the 20th century. Following his relocation to Iraq as a child with his family, he began assaulting, sodomizing, and later murdering, young boys and teenage men in Baghdad from the age of fourteen.