
519 F.Supp.2d 105 (2007)
Luis T.J. LEAL, Sr., Plaintiff,
v.
DEPARTMENT OF HOMELAND SECURITY, Defendant.
Civil Action No. 06-0425 (PLF).
United States District Court, District of Columbia.
November 8, 2007.
*106 Luis T.J. Leal, Sr., Toledo, OH, pro se.
John C. Truong, U.S. Attorney's Office for the District of Columbia, Washington, DC, for Defendant.

MEMORANDUM OPINION
PAUL L. FRIEDMAN, District Judge.
This matter is before the Court on defendant's motion for summary judgment. Having reviewed defendant's motion, plaintiffs opposition, defendant's supplemental submission and the entire record of this case, the Court will grant summary judgment for defendant.

I. BACKGROUND
It appears that plaintiff submitted to the National Security Agency ("NSA") a request pursuant" to the Freedom of Information Act ("FOIA"), see 5 U.S.C. § 552, for "information on using forensics of news broadcasting in Toledo, Ohio to identify an election process conspiracy, as well as linked activity (a.k.a. capital crimes within the area)." Defendant's Memorandum in Support [of its Motion] for Summary Judgment ("Def.'s Mot."), Declaration of Sandy Ford Page ("Page Decl."), Ex. A (May 10, 2005 letter from L.F. Giles, Director of Policy, Central Security Service, NSA, regarding FOIA Case 46065) at 2. NSA's response to plaintiffs FOIA request suggested that information pertaining to domestic intelligence might be found in the records of federal law enforcement agencies such as the Federal Bureau of Investigation or the Department of Homeland Security ("DHS"). Id., Ex. A at 3. Following this lead, in May 2005, plaintiff submitted a copy of the NSA's May 10, 2005 letter to DHS with a cover letter of his own. Page Deel. ¶ 5 & Ex. A. DHS treated the correspondence as a FOIA request and acknowledged its receipt request in writing. Id. ¶ 5 & Ex. B (May 23, 2005 letter from C.M. Papoi, Deputy Director, Departmental Disclosure & FOIA, DHS, regarding Request No. DHS/OS/PO 05-469).
DHS staff referred plaintiffs request to the agency's Information Analysis and Infrastructure Protection ("IAIP") Directorate. Page Deel. ¶¶ 5-6 & Ex. C (May 23, 2005 Memorandum from C.M. Papoi to S.F. Page).[1] IAIP staff determined that, "to the extent that records are maintained in the DHS regarding`domestic intelligence,' the term used by NSA, such records would have been maintained by the Assistant Secretary for Information and Analysis in the IAIP Directorate." Id ¶ 6. Ultimately, staff found no records responsive to plaintiffs FOIA request and, notified him of this result in writing. Id. 7-8 8 & Ex. D (Aug. 4, 2005 letter from S.F. Page). DHS's response was affirmed on administrative appeal. Id. ¶ 9 & Ex. F (Jan. 18, 2006 letter from M. Cooney, Acting Chief Privacy Officer and Chief Freedom of Information Act Officer, DHS). It was explained that DHS' mission "is to lead a unified national effort to secure America by preventing and deterring terrorist attacks and to prevent and respond to threats and hazards to the nation. It is unlikely that [DHS] would be involved in *107 matters involving a local election." Id., Ex. F.

II. DISCUSSION

A. Summary Judgment Standard
The Court grants a motion for summary judgment if the pleadings, depositions, answers to interrogatories, and admissions on file, together with affidavits or declarations, show that there is no genuine issue of material fact and that the moving party is entitled to judgment as a matter of law. Fed.R.Civ.P. 56(c). The moving party bears the burden of demonstrating an absence of a genuine issue of material fact. Celotex Corp. v. Catrett, 477 U.S. 317, 322, 106 S.Ct. 2548, 91 L.Ed.2d 265 (1986). Factual assertions in the moving party's affidavits may be accepted as true unless the opposing party submits his own affidavits or declarations or documentary evidence to the contrary. Neal v. Kelly, 963 F.2d 453, 456 (D.C.Cir.1992).
In a FOIA case, the Court may grant summary judgment based on the information provided in affidavits or declarations when the affidavits or declarations describe "the documents and the justifications for nondisclosure with reasonably specific detail, demonstrate that the information withheld logically falls within the claimed exemption, and are not controverted by either contrary evidence in the record nor by evidence of agency bad faith." Military Audit Project v. Casey, 656 F.2d 724, 738 (D.C.Cir.1981); see also Hertzberg v. Veneman, 273 F.Supp.2d 67, 74 (D.D.C. 2003).[2] Such affidavits or declarations are accorded "a presumption of good faith, which cannot be rebutted by`purely speculative claims about the existence and discoverability of other documents.'" Safe-Card Servs., Inc. v. Sec. & Exch. Comm'n, 926 F.2d 1197, 1200 (D.C.Cir.1991) (quoting Ground Saucer Watch, Inc. v. Central Intelligence Agency, 692 F.2d 770, 771 (D.C.Cir.1981)).

B. Adequacy of Search
"An agency fulfills its obligations under FOIA if it can demonstrate beyond material doubt that its search was`reasonably calculated to uncover all relevant documents.'" Valencia-Lucena v. United States Coast Guard, 180 F.3d 321, 325 (D.C.Cir.1999) (quoting Truitt v. Dep't of State, 897 F.2d 540, 542 (D.C.Cir.1990)); Campbell v. United States Dep't of Justice, 164 F.3d 20, 27 (D.C.Cir.1998) (FOIA requires agency to conduct search using methods reasonably expected to produce requested information). The agency bears the burden of showing that its search was calculated to uncover all relevant documents. Steinberg v. United States Dep't of Justice, 23 F.3d 548, 551 (D.C.Cir.1994). To meet its burden, the agency may submit *108 affidavits or declarations that explain in reasonable detail the scope and method of the agency's search. Perry v. Block, 684 F.2d 121, 126 (D.C.Cir.1982). In the absence of contrary evidence, such affidavits or declarations are sufficient to demonstrate an agency's compliance with the FOIA. Id. at 127. If the record "leaves substantial doubt as to the sufficiency of the search, summary judgment for the agency is not proper." Truitt v. Dep't of State, 897 F.2d at 542.
On review of plaintiffs FOIA request, DHS staff determined that his request "does not reasonably describe records that would be maintained by [DHS]." Page Decl. ¶ 6. To the extent that plaintiff sought records pertaining to "domestic intelligence," staff concluded that "such records would have been maintained by the Assistant Secretary for Information and Analysis of the IAIP Directorate." Id. Accordingly, plaintiffs request was referred to the IAIP Chief of Staffs Office for "tasking to Information Analysis (IA) offices to accomplish a search of records." Id. ¶ 7. The offices deemed most likely to maintain records responsive to plaintiffs request were: Information Analysis  Current, Information Analysis  Departmental, Information Analysis  Liaison, Information Analysis  Plans, and Information Analysis  Requirements. Id.
Defendant describes the IAIP's records by referencing the mission statements of the offices to which plaintiffs FOIA request was referred. See Defendant's Supplemental Submission Re: Its Search for Responsive Documents ("Def.'s Supp."), Declaration of Alisa N. Turner ("Turner Deel.") ¶ 6. The mission of Information Analysis  Current is "to provide timely, relevant, actionable intelligence to support DHS leadership, our partners, and customers to effectively deter enemy aggression against the Homeland." Turner Decl. ¶ 6.
The mission of Informational Analysis  Departmental is "to maintain awareness of threats to the Homeland in order to produce action-oriented indications and warnings, procedural evaluation, and assessment on terrorist capabilities and intent." Id. Informational Analysis  Liaison's mission is to "lead and manage the development of an integrated DHS intelligence enterprise that fosters a cooperative environment with our mission partners and builds bridges to enhance relationships and capabilities within the Intelligence Community and domestic security realm." Id. Lastly, the mission of Informational Analysis  Requirements is "to manage and leverage collection, production, and dissemination processes to continuously drive the sharing of information and intelligence." Id.
Staff at these offices were instructed "to search paper records, emails, and other electronic records and files utilizing`Toledo Ohio Election Conspiracy Theory' as the search criteria." Page Decl. ¶ 7. But they were not limited to using the phrase "Toledo Ohio Election Conspiracy Theory" as a search term; rather, "it was within each individual's discretion to determine what search terms to use to reasonably locate any responsive documents." Turner Decl. ¶ 7. IAIP's paper files were "decentralized, so all personnel were required to participate in the search for responsive records" by searching papers in their respective offices, their computer hard drives, and electronic mail messages. Id. In addition, one staff member "searched all three local area networks for documents responsive to [plaintiffs] request." Id. No responsive records were located. Id.
DHS staff conducted a second search in July 2007. Def.'s Supp., Declaration of Reginald D. Hudson ("Hudson Decl.") ¶ 7. By then, through a Departmental reorganization *109 certain of IAIP's functions had been reassigned to the Office of Intelligence and Analysis ("I & A"). Id. ¶ 1. Accordingly, plaintiffs request was referred to the following I & A offices deemed the places where responsive records most likely would be found: Collections Requirements Management Division, Production Management Division, and Information Sharing and Knowledge Management Division. Id. ¶¶ 6-7.
Again, defendant describes the records searched by reference to the mission of each division tasked with conducting a search for records responsive to plaintiffs FOTA request. The Collections Strategies and Requirements Management Branch of the Collections Records Management Division is "responsible for establishing and managing the DHS intelligence requirements." Hudson Decl. ¶ 8. The Production Management Division "produce[s] and disseminate[s] all finished intelligence information related to homeland security intelligence." Id. ¶ 9. The Information Sharing and Knowledge Management Division "establish[es], maintain[s], and process[es] an operations and systems environment in [DHS'] intelligence elements and the DHS Intelligence Enterprise, to ensure the identification, management and seamless sharing of information and intelligence across [DHS], as well as between [DHS] and its Federal, State, Local and Private Sector partners and customers." Id. ¶ 10.
Staff used the following search terms: "Toledo Ohio," "Toledo Ohio Election," "Toledo Election Process," and "Toledo Election Conspiracy" when searching the divisions' classified and unclassified documents and computer files on their local area networks. Hudson Decl. ¶¶ 11-12. No responsive records were located. Id. ¶ 12.
Plaintiff offers no meaningful opposition to defendant's showing that adequate searches were conducted and no responsive records were found. Furthermore, he states that he "agrees mostly with defendants' [sic] statement of fact." Plaintiff's Affidavit/Motion Against Defendants' Motion for Summary Judgment and/or for Dismissal ("Pl.'s Opp'n") at 1. He articulates no challenge to the agency's searches for responsive records.[3]
Having reviewed defendant's declarations, the Court concludes that its searches were "reasonably calculated to uncover all relevant documents." Valencia-Lucena v. United States Coast Guard, 180 F.3d at 325. The supporting declarations are presumed to have been made in good faith, and plaintiff offers no argument or evidence to the contrary. The fact that DHS did not locate responsive records is not dispositive. An agency's search is not presumed unreasonable because it fails to find the requested information. See Steinberg v. United States Dep't of Justice, 23 F.3d at 551 (the question is not "whether there might exist any other documents possibly responsive to the request, but rather whether the search for those documents was adequate"); see also Meeropol v. Meese, 790 F.2d 942, 952-53 (D.C.Cir. 1986).

III. CONCLUSION
Defendant has conducted adequate and reasonable searches for records responsive *110 to plaintiff's request for information and has demonstrated its compliance with FOIA. Accordingly, the Court will grant defendant's motion for summary judgment. An Order consistent with this Memorandum Opinion will be issued separately on this same date.
NOTES
[1]  Due to a Departmental reorganization, IAIP no longer exists and its functions have been reassigned to the Directorate of Preparedness. Page Decl. ¶ 1.
[2]  In support of its motion, defendant submits the declarations of Sandy Ford Page, Alisa N. Turner, and Reginald D. Hudson.

Ms. Page was the Freedom of Information Act Officer and Initial Denial Authority for the Disclosure Office in the Office of the Chief of Staff for the Under Secretary of Preparedness. Page Decl. ¶ 1. In this capacity, she managed DHS' FOIA program by overseeing the processing of requests and deciding whether to release or withhold records. Id. ¶ 2. She since has left the Chief of Staff's Office. Defendant's Supplemental Submission Re: Its Search for Responsive Documents ("Def.'s Supp."), Declaration of Alisa N. Turner ("Turner Decl.") ¶ 1. Her successor, Ms. Turner, assumed her responsibilities in May 2007 when she became the FOIA Officer in the Office of the Chief of Staff for the Under Secretary for the National Protection and Programs Directorate at DHS. Id.
Mr. Hudson is the FOIA Officer and Initial Denial Authority for the Disclosure Office in the Office of the Chief of Staff for the Office of Intelligence and Analysis at DHS. Def.'s Supp., Declaration of Reginald D. Hudson ("Hudson Decl.") ¶ 1.
[3]  Plaintiff had an opportunity to respond to defendant's supplemental submission. His response did not address the adequacy of defendant's search. Rather, he filed a "Memorandum in Support" in which he asks to add as a party defendant "john doe(unidentified government entities) [sic], as the vehicle toward effectively addressing prosecution of the conspiracy identified through forensic technology." Memorandum in Support (docketed [# 22] as a motion to add defendant John Doe) at 1. The motion is meritless and will be denied.
