tonight a federal jury has convicted this man, rances amaya for committing sex trafficking of a child and sex trafficking three girls. he exploited vulnerable teen girls for sex and profit. >> gangs are opportunistic. they look for opportunities to make money. and in this particular case, they used under age juvenile girls to make money. >> prosecutors say those victims were required to have sex with 8-10 paying customers per day. they say amaya and other gang members would also rape the victims, either punishment or to groom them for the sext -- sex trade. >>> since the beginning of the year, there have been 29 robberies but # suspects have been arrested -- 9 suspects have been arrested for the crime. tonight dc police held a meeting to say be aware of their surroundings and call the pop if you see anything suspicious. >> when a suspicious call comes in, when someone is lushing around, peeking in windows and doors, we have now made that a priority call so the officers respond immediately to the area and take action. >> those crimes are happening in different parts of northwest, but t