Actually, this doesn't seem like your typical "honor" killing. It sounds like the same old punish-the-mom-and-kids-for-leaving-your-sorry-arse kind of killing. Not that it's always that easy to tell the difference, since it's all about entitled, abusive males. Some of which who use Religion to justify their criminality.
The killer dad is identified as JAWED SAHU.
Man kills wife, two children for honor
December 03, 2012 - Updated 1425 PKT
KHANEWAL: A man killed wife and two children on suspicion of the wife’s character, Geo News reported Monday.
Rukhsana, 45, wife of accused Jawed Sahu was living with her children separately and had already filed for a divorce in local court. The accused kidnapped her and shot her dead. When the children intervened, he went ahead and killed them too.
Police arrested Jawed and transferred the dead bodies to hospital for legal formalities.