There's so many studies that prove mdma alone can't kill a person, it has to be laced with other things. Programs like Dancesafe are actually productive. Prohibition doesn't work. Give people enough education to know to test what they take so they know it's pure. Teens are taking all kinds of crap at shows that they don't know half of what it's made of.
If there were more education on safe drug use, this wouldn't happen as often. No drug should kill anyone if it's used correctly unless one is allergic to it.