Except when you throw in domestic violence and see that even the most well-to-do males have no compunction about using guns against their female partners.  They feel so entitled to "take what they want" that a woman  is at three times the risk of being killed by her partner when there are guns in the home. 50 percent of female homicide victims were killed by guns, 75 percent of those were killed by handguns. 

There's no correlation with income.