Do you have some sources?
https://edition.cnn.com/2015/12/02/politics/donald-trump-ter...
During the past week, in a series of interviews and events, Trump has articulated a loose, but expansive set of principles that, if enacted, would mark a fundamental shift in U.S. foreign policy from the limits put in place by Democratic President Barack Obama and the Republican-led Congress. In addition to arguing in favor of reinstating waterboarding, a technique that mimics the sensation of drowning, and "much more than that," Trump has advocated the killing of suspected terrorists' wives and children, which appears in violation of international law.
https://www.ndtv.com/world-news/to-fight-isis-torture-terror...