Marina Cantacuzino talks to Azim Khamisa who founded the Tariq Khamisa Foundation after his only son, Tariq, was shot and killed while delivering pizzas in San Diego in 1995. Tariq's killer, Tony Hicks, was 14-years-old at the time and has only recently been released from prison. Azim has spent the past 25 years talking about forgiveness and tirelessly working to prevent youth violence in America.

Marina Cantacuzino talks to Letlapa Mphahlele about his role in the struggle against apartheid and how he came to meet the mother of one of his victims. Ginn Fourie's daughter was killed in 1993 at a massacre in a Cape Town bar. Nine years later she met Letlapa, the former Director of Operations for the Azanian People's Liberation Army, who had ordered the attack.

Marina Cantacuzino talks to Kia Scherr whose husband and 13-year-old daughter were both victims of the 2008 Mumbai terror attacks. Kia is the co-founder of One Life Alliance, a charity she set up as a response to the attacks.

Marina Cantacuzino talks to Paul Kohler whose story hit the headlines in 2014 when four men broke into his London home leaving him with severe facial injuries. His wife and daughter were also in the house at the time of the attack and later all three met one of the offenders through restorative justice to try and have their questions answered.

Marina Cantacuzino talks to Lis Cashin who as a child caused a fatal accident which cast an irreversible shadow over her life. Marina talks to her about trauma, self-forgiveness and finding meaning in pain.

Marina Cantacuzino talks to Zak Ebrahim. When Zak was seven, his father shot and killed the founder of the Jewish Defence League, Rabbi Meir Kahane and later was convicted for his role in the 1993 bombing of the World Trade Center. Zak's story is one of transforming his past and learning to reject bigotry and hate.

Marina Cantacuzino talks to Jacob Dunne who aged 18 was convicted of manslaughter for killing a man with a single punch. This episode tells the story of Jacob's gradual rehabilitation and the vital role played by the parents of the man he killed – James Hodgkinson.

Marina Cantacuzino talks to Joan Scourfield, the mother of James who in 2011 was killed when a young man called, Jacob Dunne, threw a fatal punch in an unprovoked attack in Nottingham, England. A few years later Joan and her then husband David came face-to-face with Jacob in a restorative justice meeting. In Episode 4 of The F Word Podcast Marina gets to hear Jacob's story.

Marina Cantacuzino talks to 29-year-old Bjørn Ihler, a writer, filmmaker and 'peace activist' from Norway. Bjørn is a survivor of the attack on Utøya Island in July 2011 when far-right extremist Anders Breivik killed 69 people and injured many more. Bjørn's expertise lies in countering extremist narratives, as well as deconstructing their propaganda.

Marina Cantacuzino talks to Stephanie Cassatly, a writer, teacher, mother and wife from Florida. When Stephanie was 18, her mother was shot and killed in a convenience store robbery in New Orleans, changing every preconceived notion she had about the world and what it meant to feel safe.