Officers issued an arrest warrant for 35-year-old Kimberlee Singler. She’s considered a fugitive in the killings of her 9-year-old daughter and 7-year-old son, as well as the attempted murder of her 11-year-old daughter. Lisa D'Souza reports. » Subscribe to FOX31 on YouTube: https://bit.ly/2PntEm4​ » Watch more FOX31 videos: https://bit.ly/3vIWTjd​ Visit our homepage: https://kdvr.com​​ Download the FOX31 App: https://kdvr.com/apps​​ Subscribe to our newsletters: https://kdvr.com/newsletters​ FOX31 on Facebook: https://facebook.com/fox31denver​ FOX31 on Twitter: https://twitter.com/kdvr​ FOX31 on Instagram: https://instagram.com/fox31denver FOX31 KDVR is your source for news, weather, and sports in Denver and throughout Colorado. We're always covering the latest breaking news 24/7. We bring you Problem Solvers investigations; news stories dedicated to military members, veterans and their families through Serving Those Who Serve; and we cover our state's unique and changing forecast with Pinpoint Weather. #News #Colorado #FOX31