Dorthy Moxley, who fought for decades for justice for her daughter slain in 1975 in the gated Belle Haven neighborhood of Greenwich, has died, according to sources and multiple media outlets.

Dorthy Moxley remained a compelling figure in the story of a mystery that captured world attention with its wealth and celebrity, its dead-end investigations and an outpouring of films and publicity.

The mother of one of the state’s most famous murder victims has died. Dorthy Moxley fought for decades to bring the killer of her daughter, Martha, to justice. Moxley became a familiar face on Connecticut’s TV screens in the early 2000s,