First the link about the killing of women he described as prostitutes. Their story is is only given as reference with differing numbers in old news archives where the main story was about the Human rights activist Zil Humas murder by him.
Like I said earlier, I had seen a documentary few years ago on Al Jazera or some British news channel which showed his cold smiling face after the killing (just like Mumtaz Qadris smirk) and the report showed images of his previous victims.
Pakistani Women's Rights Activist Murdered By Serial Killer! | The Gateway Pundit
Woman minister killed by fanatic -DAWN - Top Stories; February 21, 2007
regarding the points you are raising and questions you are asking, I agree with them and cannot say any more. I already said that there is not much information (directly available on this person) now even the events leading to his death are differing on different websites. Since his actions were so extreme, outrageous and violent that I quickly picked up the story in a ticker tape on ARY news. Due to the focus on memogate and war on terror stories this one never got any front page attention.
Following maintains he died of aliment.
Killer of ex-Minister dies in jail