Michaella McCollum, Cocaine, was jailed in Peru in 2013. 古柯鹼, 2013年被監禁在秘魯

McCollum has used her new-found freedom to enjoy a break in Marbella, Spain with pictures showing her walking along the water front and shopping

Peru Two drug mule Michaella McCollum chills in Spain | Daily Mail Online
Read more: http://www.dailymail.co.uk/news/article-4256376/Peru-Two-drug-mule-Michaella-McCollum-chills-Spain.html#ixzz4ZhI0ib3Y
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Cocaine - Wikipedia

古柯鹼

毒骡drug mule - 英语点津 - China Daily

 Drug mules就是“毒骡”，也就是偷运毒品的人，他们并不是真正的drug trafficker（毒贩），而只是运输毒品的工具。