Head of sniffer dog unit arrested in Columbian drugs raids
12:44 Friday January 28th 2005
The head of the sniffer dog unit at Bogota International Airport, in Columbia, has been arrested in raids against a drug ring run by an ex-police chief.
Police believe Freddy Castro was paid to tip off smugglers when his dogs were taking breaks.
Colombia is the world's biggest cocaine producer, and a major heroin supplier.
