When Agent Dana Mosier (Alana de la Garza) steps into the role of Special Agent in Charge in FBI Season 3, she’s met with a team on edge — fractured by loss, pushed to the brink, and facing escalating threats that test every ounce of their resolve.
Dana’s leadership style is fierce but empathetic. She demands excellence and discipline but never loses sight of the human toll of their work. From tense hostage negotiations to explosive raids, Dana commands with grit, intelligence, and a steel will forged through years of battle.
Alana de la Garza brings a raw intensity to Dana, portraying a leader wrestling with her own ghosts while trying to hold her team together amid chaos. In several episodes, Dana faces gut-wrenching choices — sacrifice a mission to save an agent or risk everything to bring a dangerous criminal to justice.
Her arrival sparks internal power struggles and forces longtime agents like Jubal and Maggie to rethink their roles. The pressure cooker environment intensifies, and alliances shift as the FBI unit confronts threats that feel more personal than ever.
Dana’s backstory — marked by trauma, loss, and fierce determination — slowly unfolds, revealing a woman hardened by experience but driven by a deep compassion for her agents and victims alike.
As FBI dives into its most explosive season yet, Agent Dana Mosier’s command becomes the fulcrum balancing survival and justice in a world where every decision could mean life or death.
