"War start from Adam when Cain killed Abel until now," he said.

When Cain killed Abel he revealed the animal nature of his mother.

Cain kills Abel; Lamech threatens to kill everybody else.

Cain kills Abel - yeah, great family dynamics there.

I'm sure Cain had said that when he'd killed Abel.

Cain killed Abel, and Jacob stole the family fortune from Esau.

Margarita is pregnant while Martín, accused of killing Abel, is looked for by the authorities.

It was the age-old conflict between the farmer and the stock raiser that probably began when Cain killed Abel.

When Cain killed Abel, the realm was without an heir.

And you turn round again and there's a third bit, just sticking its toe out of the sand over there, sure as Cain ever killed Abel.