[@Dark Light] yup XD she is simply not needed and would be the cause of many people to not hook up and as a result, lead to many people not being born. Thus she has to die so the next generation can be born. 

But what is this? Hesitation? Has our cold blooded killer gone soft for the she wolf? I guess she'll have to give him a reason for him to shoot her should he keep hesitating, wont we? Find out on the next episode of Dragon Ball Z!