COLOMBIAN drugs traffickers have taken out a contract on the life of one of the police's top counter-narcotics agents - a golden labrador called Agatha. The contract is worth £5,000 and police have assigned her a bodyguard and are monitoring the preparation of her food to ensure she is not poisoned. Agatha, who had been abandoned, was trained into one of the police's most successful sniffer dogs, so far uncovering £10 million worth of cocaine, marijuana and heroin. In a call intercepted by police, a known drugs trafficker was heard saying: "There is an animal at the airport which is...