A search is underway for the killer of Charlie Kirk, a conservative activist. “Charlie was a patriot who devoted his life to the cause of open debate and the country that he loved so much,” Trump said in a video Wednesday evening. -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://tinyurl.com/ysu5b8a9 Visit http://www.bloomberg.com for business news & analysis, up-to-the-