Lindsay Robert Rose was a paramedic in 1977, where he was among the rescuers who worked to save lives after the Granville train disaster. But his life took a dramatic turn after that, and he is now serving five consecutive life sentences in jail for the murder of 5 people in New South Wales between 1984 and 1994.

John Wayne Gacy raped, tortured and murdered at least 33 teenage boys and young men between 1972 and 1978 in Cook County, Illinois, and he buried buried 26 of his victims in the crawl space of his home. Three other victims were buried on his property, and the bodies of another four were dumped in the a river.

The girls talk to psychologist Sandy Rea to find out why people who find a dead body are often so deeply affected by it.