The gay-owned New Haven, Conn., restaurant posted the video of the theft on social media and got an outpouring of support.
Lang is being remembered as a “fiercely devoted advocate” for LGBTQ+ people and those living with HIV.
The suit focused on two trans athletes, but they've now graduated, rendering the challenge moot, a federal judge ruled.
The incident isn't the first time LGBTQ+ flags have been targeted in the area.
The Department of Justice will no longer back Connecticut parents suing to keep transgender girls from participating in girls' interscholastic sports.
The department says transgender girls shouldn't be allowed to compete with cisgender girls and threatens federal funding for some Connecticut locales.
The Justice Department has taken a stand in a Connecticut lawsuit that seeks to bar trans girls from competing with their cisgender peers.