Twenty years later, criminals are still using mobile phones, but they're also building their own mobile phone networks, like this one, which has been deployed in all 31 states of Mexico by the narcos.
20年过去了，罪犯们仍然在使用 移动电话。但与此同时，他们也在建造 属于他们自己的移动电话网络， 比如这一个，就已经被贩毒团伙部署在了 墨西哥全部的31个州之中。