A mother accused of killing two of her children and attempting to kill a third will wait until June for a preliminary hearing after the defense’s motion was granted by Judge William Bain in an El Paso County courtroom on Monday.

The attorneys for Kimberlee Singler, 37, requested that the judge continue the hearing to a later date because the prosecution gave them around 500 pages of case documents to review on Friday.

The mounting evidence filed in court will be used by lawyers on June 30 to argue whether there is probable cause to charge Singler in killing her 7-year-old son, 9-year-old daughter and injuring her 11-year-old daughter.

On Dec. 19, 2023, Colorado Springs police responded to a report of a burglary at Singler’s Palomino Ranch Point home in eastern Colorado Springs and found the two deceased children, according to previous Gazette reporting.

Investigators later found evidence indicating Singler, who was in a custody battle with her ex-husband at the time, was allegedly responsible for their deaths and injuries.

In court on Monday, Bain granted a request from prosecutors to obtain additional evidence from Singler, including DNA swabs, photos and fingerprints.

The prosecution’s request comes as it attempts to verify that the woman in court is indeed Singler, noting her appearance has changed, which brought disagreement from the defense. Prosecutors argue proof is needed since Singler fled to the United Kingdom in late December 2023, requiring the FBI to obtain an arrest warrant and an extradition hearing across the Atlantic Ocean.

Prosecutors told the judge their request is also to ensure the DNA evidence collected by the Colorado Bureau of Investigation is accurate. They cited the criminal case against former lead DNA scientist at CBI’s forensic lab, Yvonne “Missy” Woods, who is accused of deleting and altering more than 1,000 cases.

Singler’s defense attorneys also argued on Monday that there may be missing or unwritten police reports from detectives on the case, in addition to the hundreds of pages received on Friday. Bain asked them to request all allegedly remaining documents by Tuesday and will give prosecutors a week to comply.

The prosecution told the judge they do not believe any more documents exist.