According to the previous comparison of the suspect's physique, he is highly suspected to be one of them. Although the kidnapper processed his voice when calling Qin Zhiyou, making it impossible to hear the original voice, he remains the most suspicious.
With a suspect in mind, finding the direction was relatively easy. First, the police traced the communication records of the cell phone number registered in his name and indeed found another suspect—the ranger with the non-local accent. The two of them were brothers-in-law; the ranger's sister married the coal transporter driver.
