Where was Bria?
That was revealed on Chicago Fire Season 6 Episode 10 as Dawson and Casey found themselves uncovering important new information that could help the case.
Meanwhile, Severide reunited with an old family friend, but did one of the men have an ulterior motive?
Also, Cruz enlisted the help of Brett and Mouch to create a tool that could help them while out on the field.
Was it the type of tool the team would find necessary?
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Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.