A woman and her minor son were detained by investigating officials on Wednesday in connection with the rape of a 71-year-old nun in a convent in Ranaghat, said sources in the Criminal Investigation Department.
They boy, who used to study in the missionary school, was expelled after allegedly uploading objectionable content on Facebook. He also allegedly misbehaved with the nuns in the convent. The investigators are probing whether there was any revenge motive involved.
The case, which drew widespread condemnation, has seen over 35 people detained and interrogated but no formal arrests made. Earlier, chief minister Mamata Banerjee had said the case had been handed over to the CBI, but the agency is yet to formally initiate its investigation.
According to sources, the minor’s family has stayed in Nadia for a decade, but earlier they used to stay in Chapra – close to the border of Bangladesh.
“This family had a grudge and may have Bangladeshi connections... We are also looking whether anybody gave logistical help or shelter to the miscreants,” said a CID officer.
Investigators believe the accused fled to Bangladesh on committing the crime. This Bangladesh connection forced the state to hand over the case to the CBI.