WHITFIELD: All right. Tomorrow, on an all new episode of "THIS IS LIFE" you're going to get a behind-the-scenes look of what it's like to be a police officer on American streets.</s>LISA LING, CNN "THIS IS LIFE": The reality is many cops don't know what kind of situation they are responding to when they answer a call. Gun violence is a major problem in Philly and it hits close to home for the 22nd district. Last year, one of their own, Officer Robert Wilson was killed in a gunfire exchange while buying a present for his son. It's a sobering reminder for the force to always be alert and on guard. When you go into these neighborhoods that are known for violence, you have to be cautious and what's it like to live that way</s>UNIDENTIFIED MALE: I mean I'm always cautious, But I'm more cautious. It's just that little extra bit I have to have.</s>LING: How was all this scrutiny on police officers? How does it make you feel as career police officers yourselves?</s>UNIDENTIFIED MALE: You represent all police officers, whether you want it or not. That's how the public looks at it. If they are bad, then you are bad. I'm not as excited to tell people what I do for a living.</s>UNIDENTIFIED MALE: Anytime you see little kids out here, they usually say hi to us, but now you don't. Their parents teaches the kids how basically not to like us, because were the bad guys now. But we're still the helpers. We're still the ones that they call when it hits the fan. If they like it or not, we are coming, you know, and we're coming to help.</s>WHITFIELD: All right. Watch "THIS IS LIFE" with Lisa Ling Sunday night 10:00 Eastern time. We'll be right back
This is Life With Lisa Ling Sunday At 10 ET; Behind the Scenes With Officers On the Streets.