President Donald Trump’s immigration agenda has reached a turning point in recent days, as the administration expands the group of immigrants it has targeted for removal, quarrels with judges and wades into increasingly risky political territory.

Trump spent his first weeks in office emphasizing a mass deportation campaign aimed at criminals who are in the country illegally.

But late last week, immigration agents arrested a Lebanese doctor on a legal visa, despite a court order temporarily blocking her immediate removal. That followed the detention of German tourists, a former Columbia University graduate student with a green card and multiple immigrants who are married to U.S. citizens or have long lived in the United States.