With A Tweet, Trump Complicates Murder Case Against Former Green Beret

The Army is charging former Green Beret Maj. Mathew Golsteyn with premeditated murder. The victim was an unarmed Afghan whom Golsteyn suspected of being a Taliban fighter and bomb-maker. President Trump has muddied the case by commenting about it on Twitter.

Here & Now's Robin Young talks with Jason Dempsey (@Jason_K_Dempsey), senior fellow at the Center for a New American Security and a retired Army officer who served in Afghanistan.