theguardian.com/society/2024/feb/26/more-women-may-be-psychopaths-than-previously-thought-says-expert
Some estimates have suggested there could be a 10:1 ratio of male to female psychopaths, but Boddy’s work, using only the first part of the LSRP, suggested the figures were very different.

"“It’s almost one to one,” Boddy said, although he noted large-scale studies of randomly chosen adults would be needed to get a more definitive picture."