A married couple pleaded guilty at the Johor Baru Sessions Court on Wednesday (May 3) to a charge of abusing their four-year-old son to the extent of causing him physical injury leading to his death..br br The boy’s stepfather S. Nagendran and his mother A. Sangeetha were accused of committing the offence at Skudai Villa Apartment, Taman Skudai Baru at around midnight on Friday (April 28).