The lawsuit was brought by Keri Borzilleri, a prosecutor of nine years who was fired without cause four days after Mosby took office in 2015. The court said Borzilleri "took sides in a bruising Democratic primary," putting a campaign sign for then-incumbent Gregg Bernstein in her yard and hosting a gathering of 20 Bernstein supporters at her home. Photos of the event appeared on Facebook, and she says Mosby glared at her and declined to acknowledge her in public.