Police in suburban Chicago are leading the charge to find a device they can use to test drivers who might be high.

(CNN) - US Customs and Border Protection made the largest seizure of fentanyl in the agency's history on Saturday at the Nogales port of entry on the US-Mexico border, Port Director Michael Humphries announced Thursday.

Cobb County police and one of its officers are being sued on accusations that the cop wrongfully arrested three people each on a “hunch” they were high on marijuana while driving

An increasing number of drivers involved in fatal crashes are testing positive for drugs, especially opioids and marijuana, according to a new study by the Governors Highway Safety Association — though it is unclear whether drug use is actually the culprit in those crashes.