Fond du Lac Police officers are looking for registered sex offender Chad A. Maertz, 55, who police say cut off his GPS monitoring system on Monday afternoon.

: Fond du Lac Police have provided an update regarding the search for Chad Maertz. As of 4:30 p.m., Maertz is in custody. Police learned he purchased a rental car and entered the vehicle into a FLOCK license plate camera system.

Fond du Lac Police are searching for a registered sex offender who police said cut off his GPS monitoring system.

Two of the three people arrested had warrants out for them in other states. The sheriff's office said the pursuit lasted approximately 33 miles. FOND DU LAC COUNTY, Wis. - Multiple people have been arrested after a high-speed chase ended in Fond du Lac County on Sunday, Jan. 26.

Police are asking for the public's help locating a convicted sex offender who cut off his GPS monitoring system.