Justin Plackowski (left) and his mother Elzbieta Plackowska (right). | Courtesy NBC5

Elzbieta Plackowska

Elzbieta Plackowska

Justin Plackowski | Courtesy NBC5

A memorial is set up outside the townhome on Thursday morning, November 01, 2012, where two children and two pets were found killed on Tuesday night. Naperville Police continue to investigate the scene. | Brian Powers~Sun-Times Media

Naperville Police continue to investigate the scene on Quin Court in Naperville on Thursday, November 1, 2012. | Brian Powers~Sun-Times Media

A memorial is set up outside the townhome on Thursday morning, November 01, 2012, where two children and two pets were found killed on Tuesday night. Naperville Police continue to investigate the scene. | Brian Powers~Sun-Times Media

Greg Zanis, of Aurora, Ill., sets up a memorial outside of a home on the 800 block of Quin Court where two children were found dead in Naperville, Ill., on Wednesday, October 31, 2012. | Andrew A. Nelles~Sun-Times Media

A Naperville police car sits outside a home in the 800 block of Quin Court in Naperville on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

Greg Zanis, of Aurora, Ill., sets up a memorial outside of a home on the 800 block of Quin Court where two children were found dead in Naperville, Ill., on Wednesday, October 31, 2012. | Andrew A. Nelles~Sun-Times Media

A jack-o'-lantern sits outside of a home on the 800 block of Quin Court where two children were found dead in Naperville, Ill., on Wednesday, October 31, 2012. | Andrew A. Nelles~Sun-Times Media

A pumpkin with a Superman carving, left by trick-or-treaters, sits outside a home in the 800 block of Quin Court in Naperville on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

A jack-o'-lantern sits outside of a home on the 800 block of Quin Court where two children were found dead in Naperville, Ill., on Wednesday, October 31, 2012. | Andrew A. Nelles~Sun-Times Media

Greg Zanis, of Aurora, Ill., sets up a memorial outside of a home on the 800 block of Quin Court where two children were found dead in Naperville, Ill., on Wednesday, October 31, 2012. | Andrew A. Nelles~Sun-Times Media

A memorial outside of a home on the 800 block of Quin Court where two children were found dead in Naperville, Ill., on Wednesday, October 31, 2012. | Andrew A. Nelles~Sun-Times Media

A van leaves the home in the 800 block of Quin Court, Wednesday afternoon, where two children were found dead late Tuesday evening. The van is thought to be carrying the bodies of the children. | Brian Powers~Sun-Times Media

Naperville Police put up a tarp in a van in the garage of the home in the 800 block of Quin Court in Naperville, where two children were found dead late Tuesday evening. The van is thought to be carrying the bodies of the children. | Brian Powers~Sun-Time

A van is backed into the garage as Naperville police continue to investigate a multiple murder involving two children found stabbed to death in a bome in the 800 block of Quin Court. | Brian Powers~Sun-Times Media

Naperville police leave the scene of a murder on Quin Court in Naperville on Wednesday, October 31, 2012. | Brian Powers~Sun-Times Media

Naperville Police leave the scene on Quin Court on Wednesday, October 31, 2012. | Brian Powers~Sun-Times Media

Naperville Police leave the scene on Quin Court on Wednesday, October 31, 2012. | Brian Powers~Sun-Times Media

Naperville Police remove animals from the crime scene at the home on Quin court in Naperville. | Brian Powers~Sun-Times Media

Naperville Police remove animals from the crime scene at the home on Quin court in Naperville. | Brian Powers~Sun-Times Media

Naperville School District 203 Supt. Dan Bridges talks to the media about the double homicide in Naperville Wednesday, Oct. 31, 2012. | Richard A. Chapman~Sun-Times

Naperville police are investigating a multiple murder involving two children found stabbed to death in a bome in the 800 block of Quin Court, according to sources. | Terence Guider-Shaw~For Sun-Times Media

Naperville Police investigate a possible double homicide at 888 Quin Ct in Naperville Ill., on Wednesday Oct. 31, 2012. | Terence Guider-Shaw~For Sun-Times Media

Naperville police are investigating the murders of two children found dead on Wed., Oct. 31, 2012| Terence Guider-Shaw~For Sun-Times Media

Naperville police are investigating a multiple murder involving two children, according to sources. | Rich Hein~Sun-Times

Naperville police are investigating a multiple murder involving two children, according to sources. | Dan Rozek~Sun-Times

Naperville Police investigate a possible double homicide at 888 Quin Ct in Naperville IL, on Wednesday October 31, 2012. | Terence Guider-Shaw~For Sun-Times Media

Thomas Brenson, a neighbor and 10 year resident of Quin ct, talks to reporters about the double homicide at 888 Quin Ct in Naperville IL, on Wednesday October 31, 2012. | Terence Guider-Shaw~For Sun-Times Media

Ryan Forrest of Naperville and resident of Quin Ct talks to reporters about the double homicide at 888 Quin Ct in Naperville IL, on Wednesday October 31, 2012. | Terence Guider-Shaw~For Sun-Times Media

Naperville police continue the investigation at the scene on Quin Court where two children were found dead on Tuesday night. A van pulls away believed to be carrying the bodies of the victims. | Brian Powers~Sun-Times Media

Naperville Community Unit School District 203 Superintendent Dan Bridges and Susan Rice, director of communications walk outside to make a statement to the media on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

Naperville Community Unit School District 203 Superintendent Dan Bridges makes a statement to the media on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

Naperville Community Unit School District 203 Superintendent Dan Bridges and Susan Rice, director of communications, make a statement to the media on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

Naperville Community Unit School District 203 Superintendent Dan Bridges makes a statement to the media on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

Naperville Community Unit School District 203 Superintendent Dan Bridges and Susan Rice, director of communications, make a statement to the media on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

Naperville Community Unit School District 203 Superintendent Dan Bridges makes a statement to the media on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

Naperville Community Unit School District 203 Superintendent Dan Bridges makes a statement to the media on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

A home in the 800 block of Quinn Court in Naperville where police were investigating a multiple murder involving two children. | Rich Hein~Sun-Times

A home in the 800 block of Quinn Court in Naperville where police were investigating a multiple murder involving two children. | Rich Hein~Sun-Times

A home in the 800 block of Quinn Court in Naperville where police were investigating a multiple murder involving two children. | Rich Hein~Sun-Times

Investigators put up a barrier to block the view of the media after backing up a van at a home in the 800 block of Quinn Court while investigating a multiple murder involving two children. | Rich Hein~Sun-Times

Investigators put up a barrier to block the view of the media after backing up a van at a home in the 800 block of Quinn Court while investigating a multiple murder involving two children. | Rich Hein~Sun-Times

Naperville police exit a home in the 800 block of Quinn Court after investigating a multiple murder involving two children. | Rich Hein~Sun-Times

Naperville Police investigate a possible double homicide at 888 Quin Ct in Naperville IL, on Wednesday October 31, 2012. | Terence Guider-Shaw~For Sun-Times Media

Naperville police exit a home in the 800 block of Quinn Court after investigating a multiple murder involving two children. | Rich Hein~Sun-Times

Naperville police exit a home in the 800 block of Quinn Court after investigating a multiple murder involving two children. An officer carried out two pet transporters. | Rich Hein~Sun-Times

Investigators from the Dupage County Major Crimes Task Force leave the crime scene on Quin Court in Naperville. | Brian Powers~Sun-Times Media

A van leaves a home in the 800 block of Quinn Court after investigating a multiple murder involving two children. | Rich Hein~Sun-Times

Investigators exit a home in the 800 block of Quinn Court after investigating a multiple murder involving two children. A van was backed into the garage. | Rich Hein~Sun-Times

Investigators talk outside at the scene on Quin Court where two children were found dead on Tuesday night. A van pulls away carrying those bodies on Wednesday, October 31, 2012. | Brian Powers~Sun-Times Media

Investigators leave a home in the 800 block of Quinn Court after investigating a multiple murder involving two children. | Rich Hein~Sun-Times

Investigators leave a home in the 800 block of Quinn Court after investigating a multiple murder involving two children. | Rich Hein~Sun-Times

Investigators leave a home in the 800 block of Quinn Court after investigating a multiple murder involving two children. | Rich Hein~Sun-Times

Neighbor Thomas Brinson talks to reporters in the 800 block of Quinn Court while police were investigating a multiple murder involving two children. | Rich Hein~Sun-Times

A Naperville Police Officer looks out a front window of a home in the 800 block of Quinn Court while investigating a multiple murder involving two children. | Rich Hein~Sun-Times

Saint Elizabeth Seton Catholic Church, Naperville. | Jon Seidel~Sun-Times

Saint Elizabeth Seton Catholic Church, Naperville. | Jon Seidel~Sun-Times

Saint Elizabeth Seton Catholic Church, Naperville. | Jon Seidel~Sun-Times

St. Elizabeth Seton Catholic Church, photographed on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

St. Elizabeth Seton Catholic Church, photographed on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

St. Elizabeth Seton Catholic Church, photographed on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

St. Elizabeth Seton Catholic Church, photographed on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

St. Elizabeth Seton Catholic Church, photographed on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

A Naperville police department investigator removes items from a home in the 800 block of Quin Court in Naperville on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

A Naperville police department investigator removes items from a home in the 800 block of Quin Court in Naperville on Wednesday, October 31, 2012 in Chicago. | Richard A. Chapman~Sun-Times

Naperville Police investigators leave the scene on Quin Court in Naperville where two children were found dead on Tuesday night. | Brian Powers~Sun-Times Media

Naperville Police investigators leave the scene on Quin Court in Naperville where two children were found dead on Tuesday night. | Brian Powers~Sun-Times Media

Naperville Police investigators leave the scene on Quin Court in Naperville where two children were found dead on Tuesday night. | Brian Powers~Sun-Times Media

A Naperville police car sits outside of a home on the 800 block of Quin Court where two children were found dead in Naperville, Ill., on Wednesday, October 31, 2012. | Andrew A. Nelles~Sun-Times Media

Naperville Chief of Police Robert Marshall talked to reporters after a bond hearing for Elzbieta Plackowska, 40 of Naperville for the murder of two children in her care. | Rich Hein~Sun-Times

DuPage County State’s Attorney Robert B. Berlin, center, with Naperville Chief of Police Robert Marshall (left) and Sgt. Lou Cammiso, talked to reporters after a bond hearing for Elzbieta Plackowska, 40 of Naperville for the murder of two children in her care. | Rich Hein~Sun-Times

DuPage County State’s Attorney Robert B. Berlin, with Naperville Chief of Police Robert Marshall (right) talked to reporters after a bond hearing for Elzbieta Plackowska, 40 of Naperville for the murder of two children in her care. | Rich Hein~Sun-Times

Naperville Chief of Police Robert Marshall (left) and DuPage County State’s Attorney Robert B. Berlin talked to reporters after a bond hearing for Elzbieta Plackowska, 40 of Naperville for the murder of two children in her care. | Rich Hein~Sun-Times

Naperville Chief of Police Robert Marshall talked to reporters after a bond hearing for Elzbieta Plackowska, 40 of Naperville for the murder of two children in her care. | Rich Hein~Sun-Times

727 Violet Circle in Naperville. | Jon Seidel~Sun-Times

Justin Plackowski, victim of a murden in Naperville on October 30,2012. Photo provided by School District 203.

A Naperville Police Officer enters the home in the 800 block of Quinn Court in Naperville Thursday past a growing memorial to the two children and two dogs that were killed. | Rich Hein~Sun-Times

A Naperville Police Investigator checks the roof and balconies of the home in the 800 block of Quinn Court in Naperville Thursday. Firefighters held the ladder for him. | Rich Hein~Sun-Times

A Naperville Police Investigator checks the roof and balconies of the home in the 800 block of Quinn Court in Naperville Thursday. Firefighters held the ladder for him. | Rich Hein~Sun-Times

A Naperville Police Investigator checks the roof and balconies of the home in the 800 block of Quinn Court in Naperville Thursday. Firefighters held the ladder for him. | Rich Hein~Sun-Times

A Naperville Police Investigator checks the roof and balconies of the home in the 800 block of Quinn Court in Naperville Thursday. Firefighters held the ladder for him. | Rich Hein~Sun-Times

A Naperville Police Investigator checks the roof and balconies of the home in the 800 block of Quinn Court in Naperville Thursday. Firefighters held the ladder for him. | Rich Hein~Sun-Times

Naperville resident Chris Geraci adds her offering to the growing memorial to the two children and two dogs that were killed in the 800 block of Quinn Court. She said she "felt so bad for the two little innocent children, they did'nt deserve that." | Rich Hein~Sun-Times

Naperville resident Chris Geraci adds her offering to the growing memorial to the two children and two dogs that were killed in the 800 block of Quinn Court. She said she "felt so bad for the two little innocent children, they did'nt deserve that." | Rich Hein~Sun-Times

Five year old Olivia Dworakowski was found stabbed to death in her Naperville townhome.

Exterior of Saint Elizabeth Seton Catholic Church. Naperville, Illinois November 1St , 2012 I Scott Stewart~Sun-Times

Exterior of Saint Elizabeth Seton Catholic Church. Naperville, Illinois November 1St , 2012 I Scott Stewart~Sun-Times

Exterior of Saint Elizabeth Seton Catholic Church. Naperville, Illinois November 1St , 2012 I Scott Stewart~Sun-Times

Citizens enter Saint Elizabeth Seton Catholic Church. Thursday evening for a special Mass. Naperville, Illinois November 1St , 2012 I Scott Stewart~Sun-Times

Exterior of Saint Elizabeth Seton Catholic Church. Naperville, Illinois November 1St , 2012 I Scott Stewart~Sun-Times

Exterior of Saint Elizabeth Seton Catholic Church. Naperville, Illinois November 1St , 2012 I Scott Stewart~Sun-Times

Exterior of Saint Elizabeth Seton Catholic Church. Naperville, Illinois November 1St , 2012 I Scott Stewart~Sun-Times

This undated photo provided by Naperville Community Unit School District 203 in Naperville, Ill., shows 7-year-old Justin Plackowska. Plackowska was one of two children found stabbed to death in his home in Naperville, Tuesday night, Oct. 30, 2012. Authorities said Thursday, Nov. 1, 2012 that Elzbieta Plackowska, ordered her 7-year-old son and Olivia Dworakowski, 5, a kindergartner she was babysitting, to kneel on a bedroom floor and pray, then stabbed them both dozens of times as they begged for their lives, striking again and again as she told her son he was going to heaven. (AP Photo/Courtesy of Naperville Community Unit School District 203)

Olivia Dworakowski