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The Insurrection Act: Is it time?

[It’s at least time to go over it.]

10 U.S.C. §§ 331-335

Sec. 331. Federal aid for State governments
Whenever there is an insurrections in any State against its government, the President may, upon the request of its legislature or of its governor if the legislature cannot be
convened, call into Federal service such of the militia of the other States, in the number requested by that State, and use such of the armed forces, as he considers necessary to suppress the insurrection.

Sec. 332. Use of militia and armed forces to enforce Federal authority

Whenever the President considers that unlawful obstructions, combinations, or assemblages, or rebellion against the authority of the United States, make it impracticable to enforce the laws of the United States in any State by the ordinary course of judicial
proceedings, he may call into Federal service such of the militia of any State, and use such of the armed forces, as he considers necessary to enforce those laws or to suppress the rebellion.

Sec. 333. Interference with State and Federal law

The President, by using the militia or the armed forces, or both, or by any other means, shall take such measures as he considers necessary to suppress, in a State, any insurrection, domestic violence, unlawful combination, or conspiracy, if it—
(1) so hinders the execution of the laws of that State, and of the United States within the State, that any part or class of its people is deprived of a right, privilege, immunity, or protection named in the Constitution and secured by law, and the constituted authorities of that State are unable, fail, or refuse to protect that right, privilege, or immunity, or to give that protection; or
(2) opposes or obstructs the execution of the laws of the United States or impedes the course of justice under those laws.
In any situation covered by clause (1), the State shall be considered to have denied the equal protection of the laws secured by the Constitution.

Sec. 334. Proclamation to disperse
Whenever the President considers it necessary to use the militia or the armed forces under this chapter, he shall, by proclamation, immediately order the insurgents or those obstructing the enforcement of the laws to disperse and retire peaceably to their abodes within a limited time.

https://policy.defense.gov/portals/11/documents/hdasa/references/insurrection_act.pdf

And then there is "The Riot Act."

18 U.S. Code § 2101.Riots

(a)Whoever travels in interstate or foreign commerce or uses any facility of interstate or foreign commerce, including, but not limited to, the mail, telegraph, telephone, radio, or television, with intent—

(1)to incite a riot; or

(2)to organize, promote, encourage, participate in, or carry on a riot; or

(3)to commit any act of violence in furtherance of a riot; or

(4)to aid or abet any person in inciting or participating in or carrying on a riot or committing any act of violence in furtherance of a riot;

and who either during the course of any such travel or use or thereafter performs or attempts to perform any other overt act for any purpose specified in subparagraph (A), (B), (C), or (D) of this paragraph— [1] Shall be fined under this title, or imprisoned not more than five years, or both.

(b)In any prosecution under this section, proof that a defendant engaged or attempted to engage in one or more of the overt acts described in subparagraph (A), (B), (C), or (D) of paragraph (1) of subsection (a) [2] and (1) has traveled in interstate or foreign commerce, or (2) has use of or used any facility of interstate or foreign commerce, including but not limited to, mail, telegraph, telephone, radio, or television, to communicate with or broadcast to any person or group of persons prior to such overt acts, such travel or use shall be admissible proof to establish that such defendant traveled in or used such facility of interstate or foreign commerce.

(c)A judgment of conviction or acquittal on the merits under the laws of any State shall be a bar to any prosecution hereunder for the same act or acts.

(d)Whenever, in the opinion of the Attorney General or of the appropriate officer of the Department of Justice charged by law or under the instructions of the Attorney General with authority to act, any person shall have violated this chapter, the Department shall proceed as speedily as possible with a prosecution of such person hereunder and with any appeal which may lie from any decision adverse to the Government resulting from such prosecution.

(e)Nothing contained in this section shall be construed to make it unlawful for any person to travel in, or use any facility of, interstate or foreign commerce for the purpose of pursuing the legitimate objectives of organized labor, through orderly and lawful means.

(f)Nothing in this section shall be construed as indicating an intent on the part of Congress to prevent any State, any possession or Commonwealth of the United States, or the District of Columbia, from exercising jurisdiction over any offense over which it would have jurisdiction in the absence of this section; nor shall anything in this section be construed as depriving State and local law enforcement authorities of responsibility for prosecuting acts that may be violations of this section and that are violations of State and local law.