Finneas O’Connell, best known for his work as a producer for his sister Billie Eilish, said that he was tear-gassed during a “peaceful protest” in Los Angeles over the weekend.

Finneas O'Connell, left, and Billie Eilish perform "Birds of a Feather" during the 67th annual Grammy Awards on Sunday, Feb. 2, 2025, in Los Angeles.

In this handout photo provided by A.M.P.A.S., Finneas O’Connell, Billie Eilish and Ariana Grande are seen backstage during the 96th Annual Academy Awards at Dolby Theatre on March 10, 2024, in ...