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This is Scientific Americans. 60-second science. I'm Steve Merski. Got a minute?

There are about 50,000 elephants a year being killed right now with only about 450,000 left in Africa.

Samuel Wasser, director of the Center for Conservation Biology at the University of Washington.

And one of the complexities of this problem is dealing with this transnational organized crime

where you have these sophisticated networks of criminal entities that are experts at moving contraband

from one place to another without it being detected.

Lawsars spoke February 14th at the annual meeting of the

American Association for the Advancement of Science in Washington, D.C. What we have done is we've

tried to focus our attention using genetics to determine the source of the actual poaching

and to figure out how many major source populations are there. Because in doing that, you can potentially

focus law enforcement on those areas. Now, the way that we focus on this work is we use DNA

from large ivory seizures worth a minimum of a million dollars, and that is the seizures that

bear the signature of large organized crime syndicates.

The work we published in science last July showed that virtually 100% of all large ivory

seizures that we analyzed in the last decade came from really just two locations.

22% of the ivory was made up of forest elephant ivory, and that came from really just two locations. 22% of the ivory was made up of forest elephant ivory,

and that came from an area we call the Tritum,

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