Senators from both parties met with the Pentagon’s top lawyer in a closed-door meeting to get more details about why they attacked Latin American drug boats in the Caribbean. The Pentagon general counsel, Earl Matthews, explained the legal basis for these actions during a classified briefing.
Source: https://www.wsj.com/politics/national-security/lawmakers-from-both-sides-pressed-pentagon-on-legal-basis-for-cartel-boat-strikes-a61b9de0