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Sheriff's Office & Corrections Center
640 River St.
Allegan, MI 49010
Phone: (269) 673-0500
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Investigative Services 




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Investigative Services is under the supervision of Sgt. Mike Brown. Reporting to Lt. Sgt. Brown are four general case detectives, who are each assigned to sections of the county, and one detective assigned to the SWET (Southwest Enforcement Team) task force. 

Detectives may be reached by calling the Sheriff’s Office at 269.673.0500, and dialing the extension listed below.

​Det. Chris Haverdink ​Ext. 4452 or
​Det. Mark Lytle ​Ext. 4286 or
Det. Phil Arnsman

​Ext. 4461 or

​Det. Matt VanderPloeg ​Ext. 4290
​Det. Dave Ashton ​Ext. 4046

Brown, Michael.JPG

Sgt. Mike Brown
Allegan County Sheriff's Office 
Investigative Services
Phone: 269.673.0500, ext. 4592 or