Original sentence: Throughout his trial, Nguyen claimed that he was carrying the drugs in a bid to pay off debts that he owed and to repay legal fees his twin brother Khoa, (a former heroin addict), had incurred in a drug  and affray trial
Edited sentence: Throughout his trial, Nguyen claimed that he was carrying the drugs in a bid to pay off debts that he owed and to repay legal fees his twin brother Khoa, (a former heroin addict and convicted heroin trafficker), had incurred in a drug  and affray trial