While dozens of arrests were made earlier this year in a sex-trafficking crackdown in both National City and San Diego, the problem continues to plague both cities. The National City Police Department is now using a video surveillance tower to try to crack down on the persistent problem of prostitution in the area along Roosevelt Avenue. However, some are questioning whether it will really make a difference in the long run. MORE: https://www.cbs8.com/article/news/local/national-city-high-tech-surveillance-tower-to-fight-prostitution/509-9900ed0c-ccf2-44b4-b99a-60dfb4d2b5a1