February 9, 2017 12:25 am Santa Ana Vice Unit Tackling Underground Prostitution Santa Ana’s vice unit is back on patrol targeting one of the community’s most pervasive problems — prostitution. Hetty Chang reports for the NBC4 News at 11 p.m. on Wednesday, Feb. 8, 2017. US & World Videos 1:52 Amanda Seyfried reveals her kids' reaction to her daring metallic Met Gala look 1:34 Nicole Kidman floored over Olivia Rodrigo's AMC ad tribute 1:12 Ariana Grande channels Glinda at 2024 Met Gala 1:00 Family of man shot by LA deputies demand justice 1:24 Jalen Brunson leading Knicks: ‘Orange and blue skies in NYC'