C1405
Yang Fann and Bing Feng had learnt some interrogation techniques. To put it bluntly, it was to ask repeatedly and repeatedly. As long as the other party didn't follow what they said, they would be lying.
In the past, Yang Fann was usually picky and naughty, not having the patience to interrogate repeatedly, nor had he ever used this method before. Today, he was dealing with Mountain Demon