The "I don't like Mondays"-story from 1979. Done by a female in school-age.

During the heavy school shooting years during the past decade, there's also been a girl here who tried to do anything, but was caught before. She got 5 years in jail, but no follow up after it, if I remember correctly. I think she must be already free again nowadays...
Several in the scene 10 years ago were females too. Partly none the less radical than the male counterparts alive and dead then.

Some RAF members (Rote Armee Fraktion) throughout all generations of the group were females.

Over 20 to 25 years or so, there've also been a few cases of women killing their children when they were born and hiding the corpses somewhere in the house or flower pots - cases with several corpses of newborns found later.

No shortage of female mass murderers. Historically, though, they've tended to be poisoners and smotherers not shooters.

Thanks for reminding me of the counter examples. I knew there had to be some....

At least the tiny bit of knowledge from my teen years can be useful sometimes...

"Monday Morning Quarterbacks" aggravate me to no end.

They don't want to understand that they are more likely to make matters worse than better because, when the enuram hits the fan, even people who have trained for years sometimes shoot innocent bystanders or even their own partners in a "hot" situation "friendly fire" anyone?...

I was struck by this passage from an article in this morning's Guardian by Gary Younge.

"People who have a gun in the house are far more likely to be shot dead than those who don’t. If more guns really made you safer, Americans would be one of the safest places in the world. As it is seven children or teenagers are shot dead on average every day. Once a week a toddler injures someone with a gun."