Take a look into the minds of one of Australia's most sadistic killing teams: the master and his apprentice, Leslie Camilleri and Lindsay Beckett. In 1997, fuelled by drugs and alcohol, the dangerous duo abducted teenagers; Nichole Collins and Lauren Barry from their camp site in Bega, NSW and took them on a hellish road trip before brutally murdering them. Clinical psychologist, Dr Leah Giarratano dissects their personalities and offers some insight into why they committed these horrific crimes.