i have to buy a taser. >> reporter: elected leaders made promises at the event, but trang says talk is cheap, she believes in results. >> i know i was like not optimistic that this issue would get solved. i'm just hoping it will get better. >> reporter: elected leaders are working to deploy new programs and it could take some time to see changes on the streets. >> san francisco tried to cut down on illegal sex work in the mission by putting up barriers on a part of cap street to keep solicitors from cruising. a suspected sex worker was caught on camera attacking a homeless woman in the street. city officials haven't said anything about the same problems happening just a few blocks away. >>> in piedmont, officers have arrested a man they say attacked a police chief. it happened near beach elementary school. investigators say they were in the process of chasing the man for hitting a homeless person when he jumped on chief jeremy bowers car and attacked him. officers took the man into custody, both ofem were taken to the hospital. chief bowers has been released, but the suspect's conditio