Ingrid Labarbiera is the mother of Amy Barbiera, the subject of the HBO documentary "Heart of a Child." The film documents a year in the life of four year old Amy, who at such a young age had a heart/double lung transplant, and then seven months later another double lung transplant. Amy later died. The film's producers are Karen Goodman and Kirk Simon. "Heart of a Child" airs Thursday, June 12 at 8 PM on HBO.