Contact Us

(303) 629-7171

8000 East 36th Avenue
Denver, CO 80238

You can report suspicious activities and crime by contacting us 24/7 by phone or at

Main Field Office Territory

Counties covered: Adams, Arapahoe, Broomfield, Clear Creek, Denver, Douglas, Elbert, Gilpin, and Jefferson

Satellite Office Territories

Along with our main office in Denver, we have nine resident agencies in Colorado and Wyoming.


  • Colorado Springs: Alamosa, Baca, Bent, Chaffee, Cheyenne, Conejos, Costillo, Crowley, Custer, El Paso, Fremont, Huerfano, Kiowa, Kit Carson, Lake, Las Animas, Lincoln, Otero, Park, Prowers, Pueblo, Rio Grande, Saguache, and Teller counties
  • Durango: Archuleta, Dolores, La Plata, Mineral, Montezuma, and San Juan counties
  • Glenwood Springs: Eagle, Garfield, Grand (west portion), Moffat, Pitkin, Rio Blanco, Routt, and Summitt counties
  • Grand Junction: Delta, Gunnison, Hinsdale, Mesa, Montrose, Ouray, and San Miguel counties
  • Loveland: Boulder, Grand (east portion), Jackson, Larimer, Logan, Morgan, Phillips, Sedgewick, Washington, Weld, and Yuma counties


  • Casper: Campbell, Converse, Crook, Johnson, Natrona, Niobrara, Sheridan, and Weston counties
  • Cheyenne: Albany, Goshen, Laramie, and Platte counties
  • Lander: Big Horn, Fremont, Hot Springs, Park (east portion), and Washakie counties
  • Rock Springs: Carbon, Lincoln, Park (west portion), Sublette, Sweetwater, Teton, and Uinta counties


Portrait of Denver SAC Mark Michalek

Special Agent in Charge
Mark D. Michalek

Assistant Special Agents in Charge

  • Leonard Carollo
  • Marvin Massey
  • Tyler McCurdy

Administrative Officer
Meredith Leap

Senior Supervisory Intelligence Analyst 

Jerod Ross 

Chief Security Officer
Elizabeth Castilleja

Media Coordinator
Vikki Migoya