 Police stated that Schenecker admitted to killing her children because they " talked back and were mouthy " . A police statement said , " She described the crimes in detail . " A note was allegedly found in the house describing a plan to murder her children and commit suicide . According to the arrest affidavit , Beau was shot twice in the head on January 27 while being driven by his mother from soccer practice . Schenecker then drove home and killed Calyx in her room as she was doing her homework on her computer . The revolver had been purchased five days before the killings . Calyx was found on her bed covered by a blanket . 
