criminal charges looming or pending. is there a possibility for that? there's always a possibility for something like that to occur. >> several of the victims still trapped in vehicles under that rubble. in a new sign that special counsel robert mueller's investigation advancing toward donald trump's red line, mueller is closing in on the heart of the president's business dealings. a source telling cnn mueller's team is seeking business documents. we're learning the as a russian born businessman involved in a deal to try to build a trump tower in moscow is speaking bout this e-mail exchange with trump's personal attorney, michael cohen. our boy can become president of the usa and we can engineer it. i will get all of putin's team to buy in on this. i will manage this process. here's what sater said.