6 years ago in ireland a secret mass grave for babies was discovered near a home for unmarried pregnant women an institution run by Roman Catholic nuns to find sets off a scandal that has raised deeply disturbing questions about the fate of thousands of women and children and the relationship between the Catholic Church and the irish state in a special 2 parts investigation correspondent lawrence lee has been in search of answers. In the corner of an unremarkable childrens playground in the irish town of chu come to go away a small patch of land has been walled off. A patch of land with an awful secret. Very. Tiny baby. 6 years ago local historian Catherine Corless realized that under the grass in and around an old septic tank like the bodies of hundreds of babies and infants. Its. Time. That sewage tank was in the grounds of a mother and baby home run by catholic nuns known as the sisters the women and girls whod fallen pregnant outside of marriage. The survivors and families of those