Our Mission: To lead the Department"s law enforcement, security, and intelligence activities by providing effective direction, oversight, guidance, and coordination.

The Office of Law Enforcement and Security is part of the Office of the Secretary of the Interior in Washington, D.C.

Department of the Interior

Office of Law Enforcement and Security


Mailstop 3428-MIB

1849 C Street N.W.

Washington, D.C. 20240


Telephone (202) 208-6319

Fax (202) 219-1185

Director - Harry Humbert - (202) 208-6319
Law Enforcement Division - Deputy Director Tim Lynn - (202) 513-0822
Intelligence Division - Assistant Director James Gallagher - (202) 208-1664
Interior Complex Security Operations Branch - Chief Steve Hargrave - (202) 208-6642
Security Division - Assistant Director Glenn Smith - (202) 208-5836
Technology Division - Assistant Director Danielle Preston - (202) 513-7654