Alberto Hurtado Osorio, 60, was behind bars in Colombia last night. His arrest came two years after the Australian Federal Police and counterparts in South America and Latin America launched a sting to smash his cartel, which is suspected of smuggling drugs across the world through the post.Osorio, who served two years in Sydney on drug charges in the early 1990s, had been on the AFP's secret "top 10" target list for years.But the Colombian, a senior member of a well-known Bogata-based cartel, had eluded police by constantly moving throughout the South American country and keeping the operation at arm's length.It is alleged the drug cartel was smuggling cocaine to contacts in Australia in comparatively small amounts -- about 300g -- via air mail, certified mail and private parcel companies.Police...