C277

Guo Rongrong said, "Only women know how to make sewing machines. That means the murderer is most likely a woman. Coincidentally, there's a sewing machine at home, so …"

"Do you know sewing machines?" Liu Fei asked her.

"Me …" Guo Rongrong scratched her head and said embarrassedly, "I don't even know how to sew socks."

"I don't know how to use a sewing machine either." Liu Fei said