
A Colorado mother accused of killing two children during a custody battle has been extradited from the UK after a two-year international manhunt, highlighting both effective law enforcement cooperation and the deadly consequences of family court failures.
Story Highlights
- Kimberly Singler extradited from UK on December 24, 2025, after fleeing to London following alleged murders
- Two young children killed during heated custody dispute with ex-husband in December 2023
- International manhunt lasted nearly two years before successful extradition to Colorado
- Case underscores gaps in family court system that failed to protect vulnerable children
Two-Year International Fugitive Hunt Concludes
Kimberly Singler returned to Colorado custody on December 24, 2025, ending a complex extradition process that began when investigators tracked her to London on December 30, 2023. District Attorney Michael Allen of Colorado’s Fourth Judicial District called her return “a momentous day,” emphasizing the prosecution’s commitment to seeking justice for the murdered children. The case demonstrates how criminals can exploit international borders to evade accountability, requiring extensive resources and diplomatic cooperation to bring fugitives home.
Kimberlee Singler, who is accused of killing two of her children in December of 2023, has been extradited to Colorado Springs and has been booked into the El Paso County Criminal Justice Center thanks to the collaborative work of CSPD, @FBIDenver, @FBI, @4thJudicialDA, @USAO_CO,… pic.twitter.com/HHFLougeRO
— Colorado Springs Police Department (@CSPDPIO) December 24, 2025
Family Court System Failed to Prevent Tragedy
The killings occurred during an intense custody dispute between Singler and her ex-husband, raising serious questions about family court oversight and protective measures. Colorado’s family court system, like many across the nation, often lacks adequate screening for domestic violence risks and parental flight dangers. This case exemplifies how contentious divorce proceedings can escalate to fatal violence when proper safeguards fail to identify and address warning signs that could protect children from dangerous parents.
International Law Enforcement Cooperation Proves Effective
The successful extradition showcases strong bilateral law enforcement ties between the United States and United Kingdom in pursuing violent criminals. US-UK extradition treaties enabled Colorado authorities to reclaim jurisdiction over Singler despite her attempt to flee overseas. This cooperation sends a clear message that international borders cannot shield perpetrators from American justice, particularly in cases involving the most vulnerable victims—children killed by those meant to protect them.
Prosecution Moves Forward with Murder Charges
Singler now faces murder charges in Colorado’s Fourth Judicial District, which covers El Paso and Teller counties, as prosecutors prepare their case against the accused child killer. The district attorney’s office must now build a compelling prosecution while navigating potential defense arguments about custody-related stress and mental health issues. However, no circumstances justify the deliberate killing of innocent children, and the prosecution’s focus remains on delivering justice for two young victims whose lives were cut short by senseless violence during what should have been a civil legal process.
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Colorado woman suspected of killing 2 of her children is extradited from the UK












