Rachel Maddow reports on the plea deal by Michael Cohen's business partner, Evgeny Freidman, in a case involving his taxi business that makes it likely he'll help prosecutors in Cohen's case, making him, in turn, more likely to make a deal to aid the investigation of Donald Trump.

Rachel Maddow looks at several lines of inquiry in the Mueller investigation, from the utterly mysterious to the more obvious crimes, and notes that because there is so much still unresolved in the case, details cannot be shared, and certainly not with a subject of the investigation, his legal team, or his partisan acolytes.