
US federal agents have arrested some 750 people across the country in a crackdown on Mexican drug cartels, US Attorney General Eric Holder has said. Among them were 52 people arrested on Wednesday in California, Minnesota and Maryland in raids targeting the powerful Sinaloa cartel, he said.
Agents also seized 23 tonnes of drugs in the 21-month operation. A 2008 justice department report found Mexican traffickers were the biggest organised crime threat to the US.

This could turn into a huge problem, as the cartels have moved into Southern California and Arizona…