The minor girl, Zainab, was on her way to seminary when she was kidnapped by the unknown men on January 4, a few meters away from her house in Kasur, a city located in the country's east Punjab province.
Earlier, DPO Kasur Zulfiqar Ahmed was demoted to officer on special duty (OSD) rank over police negligence towards Zainab case.
On Tuesday, a constable deputed to trace the girl recovered her body from a heap of trash, with police saying she seemed to have been killed four or five days ago. At least two others sustained bullet injuries.
The incident was widely reported by local media, and people across the country took to social media to condemn the crime.
The minor girl was laid to rest in a graveyard in Kasur after her parents arrived from Saudi Arabia in the evening.
The samples have been sent to a lab in Lahore for testing, Dr Attique said, adding that the process of testing can take up to three months.
Qadri is a staunch political rival of the ruling Pakistan Muslim League party and he has led violent rallies in the capital, Islamabad, since 2014 after eight of his supporters were killed in anti-government rallies in Lahore, Punjab provincial capital.
Many politicians, activists condemned the death of the young girl and urged to bring the culprits to justice in tweets that flooded Twitter. The body was subsequently sent to the district headquarters hospital for autopsy.
Naz then carried on with her emotional coverage on the chain of events that followed the kidnapping, rape and ultimate killing of seven-year-old Zainab Ansari.
Police believes that one man or gang is involved in all such incidents. The men had been abducting and raping the children since 2009, under the nose of local police in the area, until the news was broken by media.
"It is true when they say that the smallest coffins are the heaviest and entire Pakistan is burdened by the weight of her coffin", says the anchor in her monologue.
"Absolutely shocking and horrifying incidents of child abuse in #Kasur".