People power is unstoppable, says barrister Michael Mansfield KC, and he would know; he has spent his career fighting injustice, persecution and corruption, representing people including the Birmingham Six, Stephen Lawrence’s family, and the families of the victims of the Hillsborough disaster and of the Grenfell fire. Mansfield talks to lawyer Farhana Yamin about his 50 years of fighting for justice, some of his most important cases and why he believes that when people get together they can make lasting and positive change.