we can have emotions latder.ght for molly. >> authorities say they are interviewed more than 200 people so far. blake reports live at 7:30. you'll see that right here on nbc bay area. >> one of the rising stars in politics reportedly stopping in san francisco. you may know the story. she is the 20 something candidate who defeated long time new york congressman in the june primary. she will be in the mission district tonight for two fundraisers. both events said to be sold out. >> concern over 3d printed guns. president trump tweeted he is looking into the issue. he says it doesn't seem to make much sense. eight states, california not being one of them are suing the trump administration. the manual is up on the internet right now. opponents say allowing people to produce untraceable guns and rifles is a public safety threat. >> we are trying to do more things this day and age in the world of active shooters to get people help and identify those and now here comes a software that says let's make it easier for the c