Honey

The first time, Yrsa doesn't intend to kill.

But the Cambridge professor sitting opposite has manipulated her friend, stolen her research. When she flicks the bee into his Sanpellegrino, she thinks he'll get a nasty sting.

Then he's dead. And Yrsa, who – let's face it – has been bored for a while, is alive.

It's a sweet feeling, finally having some control.