latimes.com

Anaheim, California -- A random check of a car at the U.S.-Mexico border in San Ysidro this week led to one of the state's largest heroin seizures and will cause the drug to be far scarcer in Southern California in the coming weeks, authorities said.

The narcotic is perhaps the most difficult to intercept, officials say, because it is often trafficked in small quantities that are easy to conceal. Agents were visibly gratified to announce Friday that the single investigation captured more than 121 pounds, an amount that could have resulted in more than 700,000 doses on the street.

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