Can, but does NOT. According to longstanding US precedent, our government at every level effectively has absolutely no responsibility whatsoever to defend you.
Warren v. District of Columbia, 444 A.2d 1 (D.C. Ct. of Ap., 1981), Riss v. City of New York, 22 N.Y.2d 579, 293 NYS2d 897, 240 N.E.2d 860 (N.Y. Ct. of Ap. 1958); Keane v. City of Chicago, 98 Ill. App.2d 460, 240 N.E.2d 321 (1968); Morgan v. District of Columbia, 468 A.2d 1306 (D.C. Ct. of Ap. 1983); Calogrides v. City of Mobile, 475 So.2d 560 (S.Ct. A;a. 1985); Morris v. Musser, 478 A.2d 937 (1984); Davidson v. City of Westminster, 32 C.3d 197, 185 Cal.Rptr. 252, 649 P.2d 894 (S.Ct. Cal. 1982); Chapman v. City of Philadelphia, 434 A.2d 753 (Sup.Ct. Penn. 1981); Weutrich v. Delia, 155 N.J. Super 324, 326, 382 A.2d 929, 930 (1978); Sapp v. City of Tallahassee, 348 So.2d 363 (Fla.Ct. of Ap. 1977); Simpson's Food Fair v. Evansville, 272 N.E. 2d 871 (Ind.Ct. of Ap.); Silver v. City of Minneapolis, 170 N.W.2d 206 (S.Ct. Minn. 1969) and Bowers v. DeVito, 686 F.2d 61 (7th Cir. 1982)
And simultaneously, in the face of all that, the government categorically infringes upon the right to self-defense of innocents, so we are then murdered, raped, and maimed with impunity while legally defenseless, and legally undefended by the government.