Nithari case victim's father questions Surendra Koli's death, claims murder

The father of a Nithari case victim questions Surendra Koli's death, alleging murder. Koli was found hanging in Haridwar, with police investigating the scene. The victim's father believes Koli was murdered and not a suicide victim. He suggests Koli might have been killed if he knew crucial case information. The Nithari case involved the discovery of skeletal remains in Noida.