WHITFIELD: The New York Police Department is mourning the loss of one of their own after an officer was shot and killed on the job last night. Thirty-three year-old Brian Mulkeen died while investigating gang activity in the Bronx. CNN's Natasha Chen is following all of these. What more you know?</s>NATASHA CHEN, CNN NATIONAL CORRESPONDENT: Well Fred, this is really tragic. Around 12:30 this morning, Officer Mulkeen was patrolling an area of the Bronx that has been plagued recently with gang activities and shootings so he and two other officers were in the area, got out of their vehicle to question someone they thought was suspicious. Now, when they got out of their car, this man started running and so they chased him. That's when NYPD says a violent struggle followed between the Mulkeen and the suspect and shots were fired. Mulkeen being struck three times. Five other police officers fired at the suspect and the suspect died. NYPD says this suspect did have a weapon on him but that weapon did not fire. Here's what the police chief said.</s>CHIEF TERENCE MONAHAN, NYPD: At this point, it does not appear that the perpetrator's gun was the one that fired. Officer Mulkeen's gun fired five times. At this point, we are not sure who fired Officer Mulkeen's gun.</s>CHEN: Yes. So Fred, there are a lot of questions that still have to be answered here but still all together extremely sad.</s>WHITFIELD: Terrible. All right, Natasha Chen, thank you so much.</s>CHEN: Thank you.</s>WHITFIELD: All right, still ahead, we hear from voters about what they think of this impeachment inquiry. Plus, Lisa Ling joins me with her fascinating investigation of online pornography. What every parent should know about the risk for kids as young as eight years old?
NYPD Officer Investigating Gang Activity Shot Dead