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Does The Nose Know?

Name: Does The Nose Know?
Uploaded: 2004-01-04T12:05:00-0500
Duration: 11 min 48 s
Description: We've all seen them -- specially trained dogs sniffing for bombs and narcotics in airports, courthouses and even schools. But how reliable are these canine cops? Lesley Stahl reports.

We've all seen them -- specially trained dogs sniffing for bombs and narcotics in airports, courthouses and even schools. But how reliable are these canine cops? Lesley Stahl reports.