Air Date: Jan 30, 2013 12:00 AM ET
Pete Marra might describe felines as mass murderers. He's a researcher at the Smithsonian Conservation Biology Institute. And he's just released a new study on cat behaviour.
Top News Headlines
- Donald Trump's choice of generals for top posts 'extremely unusual'
- More than 1,000 athletes involved in elaborate Russian doping conspiracy, report says
- A truly feminist government would consider the plight of Indigenous men: Robyn Urback
- Russia threatens retaliation over latest round of Canadian sanctions