Driver looted ATM cash to repay debt

He often went to the gambling club run by an another accused, Devaraj, near Porur and lost all his money. 

After he joined Writer Safeguard, he told Devaraj and his two other friends Karthikeyan and Pandian about the nature of his new job and they gave him the idea of running away with ATM money to clear all his debt. When Udayakumar drove away a car with the cash, three other men were waiting outside the airport in another car.