CLEVELAND, OHIO -- Police in Cleveland have a new weapon in the war on drugs and a new K-9 officer who is small in size, but not in talent.

Midge is an 8-pound Chihuahua-rat terrier mix and not the kind of K-9 officer you might imagine.

She started training in February and this week she passed her state certified drug test in Ohio.

Midge passed all five components of her test, finding marijuana hidden in a variety of locations, the Cleveland Plain Dealer reported.

"She finds marijuana. We use her nose; she excludes all other odors," said Geauga County Sheriff Dan McClelland. "You name it, she excludes it. She looks for one specific scent, and that scent is marijuana."

McClelland said he believes Midge may be the smallest police dog in the country. He said her size allows her to slip into tiny spaces.

McClelland said Midge will be taking more drug classes to teach her how to sniff out other drugs.

Midge has appeared on numerous national television shows including the "Rachael Ray Show" and stories on CNN, MSNBC and other networks, the Plain Dealer reported.