Kimberlee Singler has been extradited from the United Kingdom to Colorado to face murder charges related to the deaths of her 9-year-old daughter and 7-year-old son. Singler was charged with the deaths, and her extradition followed diplomatic and legal procedures between the UK and US authorities. The case involves complex legal processes, including international cooperation for extradition, and is currently under judicial review in Colorado. Details regarding the investigation, evidence, and court proceedings are pending, and the case continues to develop as authorities work towards resolution and justice.