2 canonical passages across 2 cases, quoted by 8 opinions in total. These passages cluster together because the same opinions keep quoting them side by side — they state parts of one doctrine. The anchor passage is from Carroll v. United States.
| # | Case | Flag | Canonical passage | Citers |
|---|---|---|---|---|
| 1 | Carroll v. United States Anchor | green | “travelers may be so stopped in crossing an international boundary because of national self-protection reasonably requiring one entering the country to identify himself as entitled to come in, and his belongings as effects which may be lawfully brought in.” | 4 |
| 2 | United States v. Flores-Montano | green | “the government's interest in preventing the entry of unwanted persons and effects is at its zenith at the international border.” | 4 |
A red or yellow flag on a member means the underlying case has negative treatment — for those, check the case page before relying on the passage.