With marijuana now legal in most states, role of drug-sniffing K-9s is changing

The role of drug-sniffing K-9s is rapidly evolving in police departments across the country as an increasing number of states have legalized recreational marijuana.

New York and New Jersey legalized recreational marijuana earlier this year, joining a growing number of states, including California. Others have allowed pot for medical use or decriminalized the drug. "We invest so much money into those dogs, to just say we're done? We couldn't do it." Higgins served at the helm of Bergen County Police Department in New Jersey, which provided K-9 services to the county’s 70 jurisdictions.