New Delhi, Aug. 6 -- The United States has spent more than two decades building an international coalition against jihadist terrorism, investing billions of dollars in intelligence sharing, law enforcement cooperation, and judicial assistance with allies around the world. When Washington publicly places a suspected terrorist on its Rewards for Justice list and offers millions of dollars for information leading to his arrest or conviction, the expectation is that partner nations will strengthen-not weaken-the pursuit of justice.

Murder of American Citizen

Developments now unfolding in Bangladesh, however, are raising serious questions about whether that principle is being quietly tested. Efforts reportedly underway to secure legal relief...