Ana Knezevich was making a change.
The team welcomes a new member
Crosby enters into a new living arrangement.
A suspect escapes trial and goes on a murder spree
First responders race against the clock to reach the trapped victims
Intelligence makes a gruesome discovery
Rachel Owens is found shot in the head
Shannon Medil, an aspiring actress, disappeared after an audition
Violet catches Carver in a lie.
Kidd and Severide eagerly await big news.