However, many of the approaches commonly used with adult sex offenders (e.g., the use of specialized supervision staff, sex offender specific treatment providers, and the polygraph) are being adopted by juvenile supervision agencies around the country.
At birth the lungs are pinkish white in color; in adult life the color is a dark slaty gray, mottled in patches; and as age advances, this mottling assumes a black color. The coloring matter consists of granules of a carbonaceous substance deposited in the areolar tissue near the surface of the organ.
While it may be true that the black lung was that of a smoker and the pink lung that of a non-smoker, that is not the end of the story  we now know that cancerous organs turn black. A while ago channel 4 ran some programmes of autopsies done live by Dr Von Hagens, and one episode was on cancer.