Murder, Murder!

"The drug is called Pitidebin! It's a drug that triggers hemoglobin and irritates the heart, causing cardiac arrest and death in a short period of time!" Cheng Lingfei said coldly over the phone. "Because the drug has strong hemolytic properties, it cannot be detected at later stages and is easy to conceal. It was developed by a pharmaceutical company in Southeast Asia and in the beginning, was used by a rebel organization exclusively in assassinations! Not long after, the organization was annihilated by the government, after which the drug disappeared altogether! There were rumors that the CIA had tried to reproduce it but failed!"

"If that's the case then how can you be so sure from just the test results?" Zhao Yu asked, frowning.