After escaping her captors, she fled to Chicago and was kept safe by her father’s former aide, Bruce Bennett. Why Was She "Killed" in the First Place?
In Season 3, Episode 4, titled "Good Fences," Lincoln Burrows finds a package containing what appears to be Sara’s severed head. This served as a brutal warning from The Company and its operative, Gretchen Morgan, to ensure Michael Scofield successfully broke James Whistler out of Sona prison. For the remainder of the season, characters and fans alike believed Sara had been murdered. The Season 4 Retcon prison break is sara really dead
Following a massive fan outcry (including the movement), producers renegotiated with Callies and brought her back as a main cast member for Season 4 and the subsequent 2017 revival (Season 5). Sara Scofield - Prison Break Wiki | Fandom After escaping her captors, she fled to Chicago
Callies was pregnant during the filming of Season 3 and living in a remote part of Canada, making it difficult for her to travel to the set in Dallas or Panama. This served as a brutal warning from The