California tests find illegal vapes tainted with additives

Officials also found that the illegal vapes confiscated in the December raids typically were not as potent as advertised, and sometimes contained just a fraction of the THC claimed on the labels, according to state testing results.

MCSO: Dangerous form of concentrated marijuana, 'crude oil' has hit Arizona black market

Arizona sheriff's deputies are struggling to keep up with the amount of black market marijuana coming across the border. The struggle is even more challenging as Mexican cartels are now smuggling what's called 'crude oil.' It's one of the strongest forms of marijuana and in this case, it's proving to be deadly. FOX's Stephanie Bennett shows us just how fast this product is spreading.

Marijuana vaping busts on rise; over 500K seized in 2 years

Fueled recently by alarm over a deadly lung illness that health officials have linked to illicit THC vaping, the pursuit of pot cartridges has added a new layer to drug enforcement while authorities are grappling with the opioid crisis and other drug issues.