Calumet County Sheriff’s Department
CASO people involved in Avery investigation
The following is a list of all CASO personnel that was involved in the 2005 investigation of Steven Avery.
|Mark Wiegert||co-lead investigator|
|John Dedering||Investigator||• Visited George Zipperer on 3 November.|
• Investigated Bradley Czech, a deejay the victim had been dating.
• Searched Earl Avery's residence on 5 November.
|Leslie Lemieux||Corporal||Began the initial investigation of a possible missing person when she took Karen Halbach's call on 3 November at approximately 17:00 hours. Went to Halbach's place with Wiegert that same evening.|
|Gerald "Jerry" Pagel||Sheriff|
|Gary Steier||Investigator||• Interviewed Joshua Radandt on 5 November. Radandt informed Gary he saw a fire in the proximity of Steven Avery'sresidence.|
|Kelly Sippel||Lieutenant||• Searched Steven Avery’s garage on 5 November. Found numerous .22 shell casings.|
• Searched the Janda garage that same day and found a deer carcass.
|Wendy Baldwin||Investigator||Known for appearing in Making a Murderer as the officer who made recordings of Steven's trailer.|
|Jennifer J. Bass||Deputy||• Was on the Avery property with Tyson on 5 November after the RAV4 was discovered.|
|Marie Oosterhouse||Deputy Telecommunicator|
|Joseph M. Tenor||Deputy|