I was unable to be there (between sick baby, icy roads, and our own schools' late start, I couldn't make it in time). But apparently Steph held her ground with well-spoken grace and confidence and the VA social worker left without the kids and without involving police. What now? I don't know.
M Lewis at the Shame on Virginia blog seems to be keeping a pretty thorough and timely series of updates. I highly recommend reading her entry: How It Happens.