Kavanaugh, J., concurring
SUPREME COURT OF THE UNITED STATES
No. 16–1363
KIRSTJEN M. NIELSEN, SECRETARY OF HOMELAND SECURITY, ET AL., PETITIONERS v. MONY PREAP, ET AL.
BRYAN WILCOX, ACTING FIELD OFFICE DIRECTOR, IMMIGRATION AND CUSTOMS ENFORCEMENT, ET AL., PETITIONERS v. BASSAM YUSUF KHOURY, ET AL.
ON WRIT OF CERTIORARI TO THE UNITED STATES COURT OF APPEALS FOR THE NINTH CIRCUIT
[March 19, 2019]
Justice Kavanaugh, concurring.
I write separately to emphasize the narrowness of the issue before us and, in particular, to emphasize what this case is not about.
This case is not about whether a noncitizen may be removed from the United States on the basis of criminal offenses. Under longstanding federal statutes, the Executive Branch may remove noncitizens from the United States when the noncitizens have been convicted of certain crimes, even when the crimes were committed many years ago.
This case is also not about whether a noncitizen may be detained during removal proceedings or before removal. Congress has expressly authorized the Executive Branch to detain noncitizens during their removal proceedings and before removal. 8 U. S. C. §§1226(a), (c), and 1231(a).
This case is also not about how long a noncitizen may be detained during removal proceedings or before removal. We have addressed that question in cases such as Zadvydas v. Davis, 533 U. S. 678 (2001), Clark v. Mar-
