Police have arrested man they say is suspected of making threats of violence one week ago at the Big G Food store in Marengo .

On Wednesday officers with the Marengo Police Department executed a search warrant on the 1500 block of N Ave. in rural Marengo.

As a result of that search and the ongoing investigation a male named Casey Lauren Costigan, age 30 was taken into custody.

Costigan was transported to the Iowa County Jail where he was held on a charge of Intimidation with a Dangerous Weapon, a Class D Felony.