Sadie Roberts-Joseph, a beloved activist and founder of Baton Rouge's African American history museum, was killed and found in the trunk of a car over the weekend, officials have said.

Roberts-Joseph was a well-known member of the community and even referred to as an icon.

She was a longtime voice for peace and organized an annual Juneteenth celebration at the Odell S. Williams Now and Then African American Museum, which she founded in 2001.

STORY: Here is the latest update on the investigation into her death.

See pictures of Roberts-Joseph and her work in the Baton Rouge community below.