NAPERVILLE, ILL. (WBBM NEWSRADIO) -- A 48-year-old Naperville woman found guilty of a 2012 double homicide had her conviction affirmed Monday in Illinois Appellate Courts in DuPage County.
Elzbieta Plackowska was sentenced to natural life in prison on Dec. 15, 2017 in the double murder of her 7-year-old son and a 5-year-old girl who she was babysitting as well as two dogs in 2012 in Naperville, according to the DuPage County state’s attorney’s office.
On Oct. 30, 2012, Plackowska told the children to get ready for bed, but instead of getting ready for bed the children began jumping on the bed in the master bedroom, prosecutors said.
At trial Plackowska did not deny killing the two children and dogs, but instead claimed the defense of insanity, prosecutors said.
Her defense was rejected and the courts ruled that she had the capacity to understand that what she was doing was wrong because after the murders she made many attempts to hide it including putting the knife down a garbage disposal, throwing away her cellphone, creating a story that someone broke in and committed the murders and changing her story multiple times, prosecutors said.