Male Suspect Who Stabbed Woman Apprehended By Sheriff’s K-9 Duke After After Fleeing Law During Hospital Release

Mark Mortensen, Aggravated Domestic Battery, stabbing suspect (SOURCE: Lake County Sheriff's Office)
Mark Mortensen, Aggravated Domestic Battery, stabbing suspect (SOURCE: Lake County Sheriff’s Office).

A male suspect was apprehended by Lake County Sheriff’s K-9 Duke on Friday, August 27, 2021 immediately after fleeing from Lake County Sheriff’s deputies who were waiting for his release at the hospital.
Saturday, August 21, 2021, Lake County Sheriff’s Deputies responded to an aggravated domestic battery incident which occurred in the block of 33600 North Evergreen Drive, Unincorporated Grayslake. Deputies learned Mark Mortensen, 42, of the same address, battered a woman who he was involved with in a relationship, according to the Lake County Sheriff’s Office.  During the battery incident, he used a weapon and stabbed the woman.  Mortensen fled and sheriff’s deputies were unable to locate him.
On August 27, 2021, sheriff’s deputies received information Mortensen was at a hospital in the 800 block of South Milwaukee Avenue, Libertyville, for an unrelated medical matter and was about to be released.  Sheriff’s deputies responded and informed Mortensen he was under arrest, but he fled on foot from sheriff’s deputies. 
Lake County Sheriff’s deputies pursued Mortensen, and Sheriff’s Canine Duke was called in to assist with the apprehension.  Mortensen refused to stop for deputies, but then Canine Duke was deployed.  Canine Duke bit and successfully apprehended Mortensen.  Mortensen was transported to an area hospital to be treated for the dog bite, where he was subsequently treated and released.
After reviewing the facts of the incidents, the Lake County State’s Attorney’s Office approved the following charges for Mortensen:
Three Counts of Aggravated Domestic Battery


Resisting a Peace Officer
Mortensen remains held in the Lake County Jail pending an initial court hearing.
All defendants are presumed innocent unless proven guilty in a court of law. 

Lake County Sheriff's K-9 Duke (SOURCE: Lake County Sheriff's Office)
Lake County Sheriff’s K-9 Duke (SOURCE: Lake County Sheriff’s Office).



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