They had downloaded all the footage that she was in by taking reference of the time, right from the moment she stepped into the bank until the time she left, after settling all the necessary procedures.
As such, they could ascertain that she was the one who had personally stored the DNA test report in the bank.
Things had become very clear after they had gathered the information from the footage.
When Xiao Liuliu was born, Nian Xiaomu had done two DNA tests and stored the copy that belonged to Xiao Liuliu and herself into the safe at the bank.
As for the copy that belonged to Yu Yuehan and Xiao Liuliu, she had waited until Xiao Liuliu turned one year old before she sent both the DNA copy and her to Yu Yuehan…
If that was really the case, this meant that Nian Xiaomu was the one who had sent Xiao Liuliu to Yu Yuehan right from the beginning…
She was the mastermind behind everything…