Transcript for Las Vegas Chimpanzee on the Lose Again
You have heard the saying what happens in vegas stays in vegas. Tonight, the biggest challenge is getting a chimp to stay. And it isn't the first time she got free. John schriffen with the story tonight. Another chimpanzee escape in las vegas. Reporter: For the second time in nearly a month c.J. Escaped from a backyard cage sending fear through a neighborhood. The last time c.J. And her mate, buddy, broke out of their enclosure and even were banging on a police car. They are dangerous. Bring shotguns. I'm serious. They are wild animals. After buddy headed to a group of children, police opened fire killing him on the street. C.J. Was brought to the cage. After this escape, police were able to capture the chimp. The owner says she has no idea how she was able to escape. The bars were bent. We have gotten calls that people want to let c.J. Out to pass a law in las vegas. And I just hope that no one tampered with the cage. Reporter: Is there is now a push in las vegas for a new law to make it tougher for people to own exotic animals. After a flurry of headlines after brutal encounters with chimps. 2009 a pet chimp attacked a woman at a home in connecticut. Send the police. With a gun, with a gun! He ripped her face off. Reporter: And earlier this summer, dan oberly was mauled after he got too close to the chimps' habitat. It was horrific. Reporter: The chimp is being held in a cage meant for a lion or tiger and the owner is hoping to get her back to send her to a sanctuary in oregon. It can turn very tra datic Thanks.
This transcript has been automatically generated and may not be 100% accurate.