C463 Returning to Earth(2)

"Sir, for identification purposes, we require a blood sample. Please cooperate," a patrol officer said as he withdrew a syringe from a machine and attached a needle, addressing Niu Li.

"You won't find anything," Niu Li murmured feebly.

"Cooperate, please!" The officer exuded an intimidating aura, his gaze fixed on Niu Li, signaling that any resistance might be met with force