The problem was with the Darjeeling Black Tea: just a few drops of the tea spilled into the sample well of the test card and it changed color in less than half a minute.
It tested positive.
Only a particularly high concentration would change color so quickly, indicating a strong positive result.
The sample from the scented tea hadn't changed color even after five minutes, which meant the scented tea was fine. The problem was with the Darjeeling Black Tea, wasn't it obvious that it was targeted at Lu Qingqing?
Wei Long's expression turned solemn, and without another word, Alan immediately called Afeng.
Afeng quickly apprehended the tea-serving staff and dragged her directly into the private room, while another bodyguard, Zheng Kai, went to ask the manager of the teahouse to check the surveillance footage, as such establishments usually have cameras everywhere except inside the private rooms.
