Black Tar Heroin
Heroína de alquitrán negro. Tom Sizemore started doing Black Tar as early as 1992/93 and keep going for years. He was a functional Black Tar addict.
Heat, Natural Born Killers, Striking Distance, Strange Days all shot while he was high on Tar.
He was forced to get clean for Saving Private Ryan. This lasted into Enemy of the State where he had gained considerably weigh as he substituted food for Tar.
He relapsed before filing Bringing Out the Dead and the rest is history.
He has been doing Tar for 30 years.