(NewsNation) — Federal authorities are offering a reward of up to $10,000 in hopes of identifying the masked “agitator” who damaged an Immigration and Customs Enforcement building in Tucson, Arizona, earlier this year.

FBI officials in Phoenix say the individual incited violence and caused “significant damage” to an ICE facility used for “enforcement and removal operations” near South Country Club and East Valencia Roads on June 11. An announcement posted Friday says two others have been arrested in connection with the incident. No other details were released.

Tucson police have previously said a peaceful demonstration at the site June 11 devolved into criminal behavior when protesters clashed with security staff and caused more than $31,000 in property damage.

Photographs of the unknow

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