>> so toxic that in august of 2013 at the electric zoo dance music festival in new york, 20-year-old olivia rotondo and 23-year-old jeffrey russ died from overdoses of mdma. rotondo reportedly told emt she had taken six hits of molly. as a result of the deaths, the three-day festival, where a ticket can cost as much as $400, was shut down by the city after just two days. >> it's very tragic. the bottom line here is what you see is people doing drugs that shouldn't be doing drugs and you see the fatal consequences. when people want to go down that slippery slope and say, oh, it's just fun, it isn't just fun. there's two families that won't have their children come home. >> next, f"fox files" goes on a spice raid. we put members first. join the nation.