Author: KOAA News5

A Colorado mother accused of drugging and killing two of her children and fleeing the U.S. is fighting extradition, according to Gazette media partner KOAA.  Kimberlee Singler, 36, is believed to have fled to the United Kingdom following accusations that she killed her 9-year-old daughter, Elianna “Ellie” Wentz, and 7-year-old son, Aden Wentz. Early on…