I recall considerable press coverage of the assassination of Anwar al-Awlaki and his son. Granted, both were US citizens but Muslims -- family originally from Yemen. Many of these issues were raised at that time (2011).

CBS News

http://www.cbsnews.com/news/ron-paul-aclu-condemn-anwar-al-a...

NPR

http://www.npr.org/sections/thetwo-way/2011/09/30/140950953/...

Forbes (sort of)

http://www.forbes.com/sites/erikkain/2011/09/30/ron-paul-con...

PBS

http://www.pbs.org/wnet/need-to-know/the-daily-need/aclu-cri...

The Atlantic

http://www.theatlantic.com/politics/archive/2012/10/how-team...

The New York Times carried an editorial by Nasser al-Awlaki, Anwar al-Awlaki's father, on July 17, 2013

http://www.nytimes.com/2013/07/18/opinion/the-drone-that-kil...