Complex sentence: Once SWAT members approached, one of the female hostages, identified as 16 year old Emily Keyes, was shot, wounded critically, and was taken away by a helicopter, where she later died of her injuries.
Split into simpler sentences: Once SWAT members approached, one of the female hostages, identified as 16-year-old Emily Keyes, was shot and critically wounded. She was taken away by a helicopter, where she later died of her injuries.