Every year some 56 million passengers and 2.2 million tons of freight pass through Frankfurt International Airport. 1000 customs officials and 34 sniffer dogs are there to ensure that there's a minimum of contraband. We check out their work.
US officials have accused Andres Lopez Elorza of using his surgical skills to turn dogs into drug mules for Colombian cartels. He has been a fugitive since 2005, after an investigation uncovered the inhumane scheme.
Often overlooked and unappreciated, shrub plays an important role for the survival of lizards in arid regions. Scientists have now made this discovery with the help of an unlikely partner: dogs.
German police in 2015 found kilos of cocaine in a drug courier's car in an apparent random traffic stop. It was really part of an undercover investigation. The country's highest court has now ruled this practice legal.
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