What Factors Distinguish Between Abusers Who Do Not Kill Their

What factors distinguish between abusers who do not kill their female victims and those who do?

A) Previous arrest of the perpetrator for domestic violence reduces the risk of femicide.
B) While abusers are initially not violent, those who commit femicide are consistently violent.
C) Those who commit femicide kill other people as well.
D) Those who commit femicide have usually had better childhoods.