KC Khamba v. John E Cantu, et al.

District Court, D. Arizona·Decided May 15, 2026·No. 2:26-cv-00315·Unknown

Opinion

WO

KC Khamba, No. CV-26-00315-PHX-DWL (JFM)

Petitioner, ORDER

v.

John E Cantu, et al.,

Respondents. Petitioner filed this action under 28 U.S.C. § 2241 challenging her immigration detention. (Doc. 1.) On January 21, 2026, the Court directed Petitioner’s counsel to serve Respondents and clarified that “Respondents must answer the Petition within 20 days of the date of service.” (Doc. 5 at 3, emphasis omitted.) As background, because Respondents in this action are officers and employees of the United States being sued in their official capacities, service of process is governed by Rule 4(i)(2) of the Federal Rules of Civil Procedure, which provides in relevant part that “[t]o serve . . . a United States officer or employee sued only in an official capacity, a party must serve the United States and also send a copy of the summons and of the complaint by registered or certified mail to the agency, corporation, officer, or employee.” Id. As for the requirement of serving the United States, the relevant provision is Rule 4(i)(1), which provides in relevant part that “[t]o serve the United States, a party must . . . send a copy of [the summons and complaint] by registered or certified mail to the civil-process clerk at the United States attorney’s office; 1 [and] send a copy of each by registered or certified mail to the Attorney General of the United States at Washington, D.C.” Id. In short, to effect service in this case, Petitioner must do two things: (1) send a copy of the summons and petition, by registered or certified mail, to each Respondent; and (2) send a copy of the summons and petition, by registered or certified mail, to the civil process clerk of the United States Attorney’s Office for the District of Arizona (“USAO”).2 On March 19, 2026, Petitioner filed a purported certificate of service. (Doc. 9.) It indicated that Petitioner had (1) mailed the petition “and all accompanying papers” to each Respondent “by U.S. Mail, postage prepaid”; (2) “served” certain Assistant United States Attorneys (“AUSAs”) with an unspecified document or documents by sending them an email; and (3) mailed an unspecified document or documents to the USAO by placing them “in a sealed, postage-prepaid envelope and depositing it in the United States Mail.” (Id. at 2-3.) Petitioner also enclosed, as attachments, what appear to printouts from the “USPS Tracking Plus” system (id. at 4) and a photograph showing that the mailing to the USAO was sent via “Priority Mail Express” (id. at 9). On April 8, 2026, the Court issued an order explaining that the purported certificate of service was invalid because it did not establish that Respondents or the USAO had been served via certified or registered mail, as Rule 4(i) requires. (Doc. 10.) The Court directed Petitioner to either file supplemental documentation establishing proper service or to effect service promptly. (Id.) On April 13, 2026, Petitioner filed another purported proof of service. (Doc. 11.) It indicates that on April 6, 2026—that is, two days before the issuance of the April 8, 2026

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KC Khamba v. John E Cantu, et al., (D. Ariz. 2026).

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