Follow Australia's police dog units as they chase down hardened criminals and take to the front line in the war against drugs. Follow Australia's police dog units as they chase down hardened criminals and take to the front line in the war against drugs.

Follow Australia's police dog units as they chase down hardened criminals and take to the front line in the war against drugs. Follow Australia's police dog units as they chase down hardened criminals and take to the front line in the war against drugs.

It’s a hot humid night in Brisbane - a time when criminals take advantage of windows left open to catch the breeze. Snr Constable Ash Purvey and Police Dog Boss are called out to investigate a prowler who’s been menacing a neighbourhood.

It’s a hot humid night in Brisbane - a time when criminals take advantage of windows left open to catch the breeze. Snr Constable Ash Purvey and Police Dog Boss are called out to investigate a prowler who’s been menacing a neighbourhood.

It's a hot humid night in Brisbane - a time when criminals take advantage of windows left open to catch the breeze. Snr Constable Ash Purvey and police dog Boss are called out to investigate a prowler who's been menacing a neighbourhood.

It's a hot humid night in Brisbane - a time when criminals take advantage of windows left open to catch the breeze. Snr Constable Ash Purvey and police dog Boss are called out to investigate a prowler who's been menacing a neighbourhood.

Police dog Jazz has one of the finest drug-detecting noses in the business. She and her handler Senior Constable Mark Adams are sent out on a series of raids on the Sunshine Coast to uncover stashes of heroin, ecstasy and cocaine.

Police dog Jazz has one of the finest drug-detecting noses in the business. She and her handler Senior Constable Mark Adams are sent out on a series of raids on the Sunshine Coast to uncover stashes of heroin, ecstasy and cocaine.