. >> reporter: at a far east cafe dinner to celebrate the promotions of sfpd assistant chief david lazarnd commander ing, crime in the neighborhood was top of mind. >> we have to deal with vandalism. >> reporter: sfpd station lieutenant is focusing on the safety of chinatown, particularly in the overnight hours. he plans to add plain clothes officers. >> last night, we had extra overnight officers, and they made a stop on an individual. i don't know if it was related to the break-ins, but it stopped some break-ins. the individual had stolen pros on him and was arrested. >> reporter: they acknowledged a partnership with the new da, brooke jenkins. >> the last 2 1/2 years, we sent outside of san francisco that you get a free pass if you commit crime here. it'll take time for people to figure out that that is no longer the case, which i'm trying every day to make very clear. >> we're super hopeful that the new da is going to be pulling in the same direction we are. everything points in that direction. it just buoys the spirits of the cops on the street. >> reporter: in san francisco, betty