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Southwest Investigative Regional Office (SWRO)


Counties Served

Beckham, Caddo, Comanche, Cotton, Harmon, Grady, Greer, Jackson, Jefferson, Kiowa, Stephens, Tillman, Washita.

Special Investigations

Captain Roger McIver
roger.mciver@osbi.ok.gov

Contact SWRO

Captain Brenna Alvarez
44 S. 7th
Duncan, OK 73533

Phone:  (580) 252-2473
Fax:  (580) 252-2460

Mailing Address:  (Please note that mail will be returned to sender if sent to physical address)

P. O. Box 182
Duncan, OK 73534

Email:  brenna.alvarez@osbi.ok.gov

Statewide Units

Investigative Services Statewide Units

  • Cold Case Unit
  • Crimes Information Unit
  • Crime Scene Investigation Unit
  • Digital Evidence Unit
  • Electronic Composites
  • Forensic Audio/Video
  • Internet Crimes Against Children
  • OSBI Sexual Assault Kit Initiative
  • Polygraph Unit
  • Special Investigations Unit
Last Modified on Apr 09, 2024
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