The US periodically murders, without trial, people in boats that it has deemed to be involved in drug smuggling. Again: this is murder, plain and simple. There is no law, national or international, that can even pretend to justify it. The US has simply claimed the right to murder whoever it wants.
U.S. military says 5 were killed by a strike on an alleged drug smuggling boat in the eastern Pacific
Trump has sought to justify the attacks by saying they stem the flow of drugs into the U.S., but critics have questioned the overall legality of the boat strikes as well as their effectiveness.
pbs.org