I don't agree with punishment and let me add, only God has the right to take someone's life, if she wanted to suicide she could have gotten a different way, these behaviors still happen due to low level of education, if it was a country with an highly educated, such events would never happen.
When we have nothing to live for it's easy to accept to be killed or kill in the name of God, who cares that God himself forbidden it?
Please note that i'm stating my personnal opinion and not bashing any religion, just savages

Only God Can Judge Me
الله فقط يمكنه محاكمتي

I am you and you are me, if you love i love, if you suffer i suffer
أنا أنت, و أنت أنا, إذا أحببت نفسك أحببت نفسي, إذا عانيتَ عانيتُ