> a tool whose sole purpose is to block lawful warrants? From the article: The three people with knowledge of the program say they believe Ripley’s use was ju

> a tool whose sole purpose is to block lawful warrants? From the article: The three people with knowledge of the program say they believe Ripley’s use was justified in some cases because police outside the U.S. didn’t always come with warrants or relied on broad orders to conduct fishing expeditions. Talk about misuse, sure. But there's nothing at all about that tool that restricts it to blocking lawful warrants.