Over 60 sex workers go missing in Vancouver. Robert Pickton is a pig farmer. There are stories of bloodied women's clothes on his farm and even a dead body hanging in a barn. But this isn’t enough for the police to search his property. Could he be to blame?On this episode of Bad People, presenters Julia Shaw and Sofie Hagen discuss research on why people don’t always tell the truth and often retract police statements.This case is broken into two episodes. This is part one.Warning: This episode contains strong language and references to sexual violence and murder.Presenters: Dr. Julia Shaw and Sofie Hagen Producers: Paula McGrath and Caroline Steel Assistant Producer: Simona Rata Music: Matt Chandler Series Editor: Rami TzabarCommissioning Producer: Hannah Rose Commissioning Executive: Dylan Haskins Commissioning Editor: Jason PhippsBad People is a BBC Audio Science Production for BBC Sounds #BadPeople_BBC