this according to three people familiar with the matter. the lines of inquiry indicate that mueller's team is reaching beyond the campaign to explore how the russians might have sought to influence trump at a time when he was discussing deals in moscow, and beginning that presidential run. mueller, of course, was appointed to investigate russian meddling in the 2016 campaign, but that also includes in his investigation links between trump associates and russians and any issues that might arise from the investigation. that said, the president claims that any investigation into the family's personal finances would be in his view a breach of the special counsel's mandate. >> what else can you tell us about the kinds of questions that mueller is asking witnesses? >> so, it's reaching into a whole host of things that happened before the campaign really kicked off. it includes exploration of a trump tower property deal in russia. includes the 2013 miss universe campaign, including very specific questions along these