Naperville Animal Control removes two pets who were presumably killed along with two children at a home on the 800 block of Quin Court in Naperville.

Mark Black | Staff Photographer

A home on the 800 block of Quin Court in Naperville is where authorities found the stabbing victims, a 5-year-old girl and a 7-year-old boy.

Mark Black | Staff Photographer

Naperville police investigate Wednesday the murder of two children on the 800 block of Quin Court in Naperville. Police discovered the bodies of two children Tuesday night.

Mark Black | Staff Photographer

Naperville Unit School District 203 Superintendent Dan Bridges discusses the double murders of the two students, who attended Brookdale and Scott elementary schools.

Daniel White | Staff Photographer

Gina Blizek, whose son is classmate of one of the murder victims, discusses how she is going to help her son deal with the tragedy.

Mark Black | Staff Photographer

A coroner's van is at the scene of the murder of two children at a home on the 800 block of Quin Court in Naperville.

Mark Black | Staff Photographer

Justin Plackowska of Naperville quickly found success in tae kwon do, his instructor said. Justin was found murdered Tuesday.

Courtesy of World Champion TaeKwonDo

Justin Plackowska of Naperville quickly found success in tae kwon do, his instructor said. Justin was found murdered Tuesday.

Courtesy of World Champion TaeKwonDo