London, Jan. 22 -- A forthcoming feature-length documentary will provide an in-depth examination of Lucy Letby, the former nurse serving a whole-life sentence for the murders of seven infants and attempted murders of seven others.

Scheduled for release on February 4, the film promises an incisive exploration of the investigation, the courtroom proceedings and the enduring public shock surrounding the case.

The feature-length doc will include "new materials and testimony from the British police who investigated the case and never-before-seen footage of Letby during her arrest and questioning," Netflix said.

ITN Productions (ITN Productions) is producing the movie. The BBC, ITV, Channel 4 and Channel 5 have all already made Letby docs abou...