+18 - eps 28-32 - On the sixth installment of the Blackbird series, Cassidy sends Gillian and her team with Brock and Russel to Tampa, Florida, to look into the death of a girl while winter storm Jonas beats the East Coast. But this seemingly ordinary case takes them down a sordid rabbit hole of dark secrets that will push Gillian to face up to powerful and shady people in Washington, and even the FBI brass.