True extent of killing laid bare in DV scourge review

A major review has analysed 550 homicides that occurred following a history of domestic violence. (Diego Fedele/AAP PHOTOS)

Nearly one-third of homicides over a period of more than two decades have been classed as domestic violence-related incidents in a major review that highlights the extent of the growing scourge.

The major NSW report also found more than half of those killings involved attacks on current or former partners as governments grapple with how best to combat the problem.