After a spate of murders targeting prominent Varanasi residents, police investigators identify Dulu Mia, an auto driver, as a suspect, sparking inquiries into the reason behind the killings.After a spate of murders targeting prominent Varanasi residents, police investigators identify Dulu Mia, an auto driver, as a suspect, sparking inquiries into the reason behind the killings.After a spate of murders targeting prominent Varanasi residents, police investigators identify Dulu Mia, an auto driver, as a suspect, sparking inquiries into the reason behind the killings.