HAMILTON -- Police in Hamilton say 80 people are facing charges in a drug trafficking and firearms investigation.

They say the operation -- dubbed Project Phoenix -- began in July and saw 44 search warrants executed across Hamilton.

Investigators say 79 adults and a youth -- all from the Hamilton area -- are facing a total of 412 charges.

They say officers seized cocaine, fentanyl, heroin, methamphetamine, marijuana -- including 378 plants from an outdoor grow operation -- and other street drugs during the investigation.

Police also seized several weapons, including handguns, shotguns, rifles, brass knuckles and illegal knives.

They say the investigation continues.