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Arson Division

The Division of Arson Investigation is responsible for investigating suspicious fires and explosions throughout the state. Nationally, arson (and suspected arson) is the primary cause of property damage due to fire in the United States and the second leading cause of fire deaths. To combat this serious problem, certified investigators respond to assist fire departments, communities, state and federal agencies 24 hours a day, 7 days a week. Arson investigators are sworn peace officers authorized to interview witnesses, collect evidence, make arrests and appear in court.


Also available are accelerant detecting K-9 teams. Canines can detect minute traces of accelerants often used in fires, and can lead investigators to a specific location where physical samples can be taken, analyzed and confirmed by special laboratories.


Arson investigators and K-9 teams investigate over a thousand fires each year. Together they arrest over 100 arsonists annually. Their service to the state is invaluable, especially in the rural areas where fire departments do not have arson investigators.


Law enforcement and the fire service can request an Arson Investigator and/or K-9 Team, 24 hours a day, seven days a week, at 1-800-252-2947.

Arson Related Statutes

  730 ILCS 5/5-9-1.12 Arson Fines (Receipt, Use, Distribution To Districts)
  720 ILCS 5/21-1.1 Criminal Damage Of Fire Fighting Apparatus, Hydrants Or Equipment.
  720 ILCS 5/21-1 Damage And Trespass To Property
  720 ILCS 5/20-2 Possession Of Explosive Or Incendiary Devices.
  720 ILCS 5/20-1.1 Aggravated Arson
  720 ILCS 5/20-1 Arson
  425 ILCS 7/5 (b) - 30 Burn Injury Reporting Act (Oral Reporting; Report Contents; Confidentiality; Public Information)
  20 ILCS 2910/1 (b) Peace Officer Fire Investigation Act (Arson Investigators)
  425 ILCS 25 Fire Investigation Act