Even though Elder Xi had retired, the president still valued his contribution. Furthermore, Xinghe was the engineer behind the mechanical heart, so her disappearance was high on the president's priority list. He had ordered all of his men to go look for her.
Not only that, many other people were also helping out with the search.
Sam's group was looking for her. The Gu family and Yan family also were also looking for her.
Gu Li's and Yan Lu's families were both based in City A. When they heard the bad news from Munan, they immediately reached out to their home to ask for help. Even the business world in City A was out and about in search of Xinghe; this was Mubai's influence.
In other words, the whole of City A was out looking for Xinghe. Tong Yan didn't expect that the whole city would be mobilized just because Xinghe had disappeared for half a day. Even Lu Qi sent his men out to aid in the search…