KDLT-TV, July 18, 2018

Authorities have arrested a 43-year-old man after they located explosive devices and firearms at his residence while serving a search warrant in connection with multiple area burglaries.

Authorities say they connected 43-year-old Mark Einerwold to three separate burglaries throughout June and July in Tea and Dell Rapids.

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While serving the search warrant, detectives found what they say were bomb making materials and chemicals. The Sioux Falls Police bomb squad were called to the residence and authorities evacuated the surrounding area.

Authorities say they found multiple explosive devices as well as ammonium nitrate and aluminum powder, which authorities say have no use other than for an explosive device.

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Einerwold was arrested on multiple burglary charges and for the sale or transportation of a destructive device. Authorities say more charges may be coming.

Authorities say they found multiple items related to Antifa, an anti-fascist militant group, as well as other items indicating an extreme hatred for law enforcement and government.

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