Naperville Teen Held Without Bond in Home Invasion Stabbing

A judge ordered Thursday that Zachary Machnikowski be held without bond while he awaits his trial in connection with stabbing a Naperville couple in their home while they slept.

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Machnikowski, 18, of Naperville, faces two counts of attempted first degree murder, home invasion and residential burglary related to the Tuesday morning attack on William and Mary Lenk.

According to authorities, Machnikowski was angered over Lenks’ daughter insulting him at a party Monday night and attacked her parents as revenge. As of Wednesday, William Lenk was still at Edward Hospital in good condition. Mary Lenk was treated and released.

“No one should have to endure this type of vicious, unprovoked attack,” DuPage County State’s Attorney Robert Berlin stated in a press release. “People are entitled to the safety and security their home offers them. It is alleged that Mr. Machnikowski not only violated the sanctity of the couple’s home but once inside, attempted to murder the home’s occupants.”

Machnikowski’s next court date is April 27.

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