Ten Tough Years For Adopted Twins

There were blood relatives in Houston who wanted to adopt.

There was a guardian ad litem volunteer who had concerns about the adoptive parents.

Child investigators were called on more than one occasion to the home.

Yet early Monday along a Florida interstate, a road ranger pulled up behind a parked truck only to find an exterminator and his 10-year-old son unconscious, soaked in chemicals, and the boy's twin sister dead.

Jorge Barahona -- a 53-year-old father of four children adopted from the state's foster care system -- told police he was distraught over the death of his daughter and had intended to commit suicide by dousing himself with gasoline and setting himself afire -- but didn't go through with it.