A total of five policemen have been arrested so far in connection to the incident.
Mentioning Head Contable Revathy's statement in a four-page report to the Madras high court Madurai Bench, the Judicial Magistrate probing the deaths said she feared receiving threat if she revealed the facts.
Bennicks and Jeyaraj died on June 22 and 23 respectively at a government hospital after being rushed from a prison in Kovilpatti town following complaints of health issues.
'CBI investigation revealed that the father-son duo was arrested in the evening of June 19, 2020, and allegedly tortured at the Sathankulam Police Station by the accused in the evening as well as in the intervening night, consequent to which both of them succumbed to the injuries and died in the intervening night of June 22 and 23'
The Central Bureau of Investigation has charge-sheeted nine Tamil Nadu policemen for murder, conspiracy and other offences in the custodial death case of the father-son duo who were arrested on a 'fake' charge of violating the lockdown and tortured in Sathankulam police station in June this year, officials said on Saturday.
The murder charges capped dramatic developments both in the court and outside where a woman head constable witness to the happenings told a Magisterial probe that the two traders were thrashed an entire night by the other police personnel at Sathankulam station where they were detained over alleged lockdown violations late last month.