Netflix and Amazon Prime Video are each preparing new documentaries on the murder of Rachel Nickell, the British woman who was killed on Wimbledon Common in July 1992. The case, which was marred by a flawed police investigation, continues to draw interest from filmmakers and true crime audiences.

Netflix has commissioned a three-part series with the working title Wimbledon Common, produced by Blast! Films, the company behind Tsunami: Race Against Time. The series has been in production for several months and is expected to combine documentary elements with dramatized sequences to explore the murder and the investigation’s failures. Netflix has not commented on the project.

Amazon Prime Video has acquired the UK rights to The Wimbledon Killer, a two-part documentary produced by Blink Films. The series includes interviews with detectives who worked on the case and examines missteps in the investigation, including the wrongful accusation of Colin Stagg. International distribution...