It's cheap, and you have a thinking, breathing bomb that can adjust to circumstances and cross the street to hit another target if the original one doesn't look good.

When the bombers are women - and children, which I predict we'll see more of - the terrorists get more bang for their buck, because there's more media attention.

The issue of motherhood is no longer salient. In fact, the very first female bomber for Hamas posed in her last will and testament video with her two kids.

The terrorists provide an outlet where with just one action, a raped woman can go from being a source of dishonour to her family to being a source of pride in a culture of martyrdom.

A lot of movements use women's involvement to shame men when recruitment is sagging.

With a civilian target, female bombers tend to be more successful and cause more damage.

It's cheap, and you have a thinking, breathing bomb that can adjust to circumstances and cross the street to hit another target if the original one doesn't look good.