Using DNA To Catch Elephant Poachers

Elephants at Addo Elephant Park in the Eastern Cape, South Africa.
Flickr Photo/Clive Reid (CC-BY-NC-ND)
Marcie Sillman talks to University of Washington biology professor Samuel Wasser about how his lab uses elephant DNA to pinpoint where large ivory poaching operations happen in Africa. Representative Eric Pettigrew has sponsored a bill in the Washington state House of Representatives that would ban ivory in the state.