Adam and Eve had two sons. Cain who's the oldest and a farmer and Abel who is the youngest and was a shepherd.
One day, they decided to offer a sacrifice to the lord. Cain offered some of his own old harvest while Abel brought his own first born lamp from his own flock of sheep.HE killed it and gave the best parts of it to the lord.
Cain where is your brother Abel?
God was very pleased with Abels offer but not so much with Cains offer, Cain became very very jealous or his brother Abel.
Cain.I do not accept your offer, Why are you so angry? Why that scowl on your face? IF you have done the right thing, you would be smiling but because you have done evil sin is crouching at your door, it wants to rule you but you have to overcome iT.
Cain told Abel to come to the fields with hime, at some point he let jelousy take over and he killed his own brother.
I don't know lord.
when the lord asked Cain where his brother is he lied and said I don't know.
Why have you done this terrible thing? Your brothers blood is crying out from the ground, like a voice I can hear calling for revenge