Now Playing: 5-14-13 Marketplace Tech: Pushing for anti-theft tech on smartphones

Cell phone and smartphone theft is a problem that only seems to get bigger. The international black market of stolen phones is huge, lucrative, and not just for the thieves. Phone makers don't seem to be exactly in a hurry to protect customers from theft. Prosecutors in San Francisco, and most recently New York, are trying to change that. Marketplace's Nancy Marshall-Genzer reports. And, three drone stories from China, Canada and the U.S.