C1019 Determining the Murderer.!

"What? You know who the murderer is?"

When he said that, Ferdinand's face was filled with excitement. "Is that true? You found the murderer so quickly?"

"Of course."

Elmer said with certainty, "But it's still better to take a look at the surveillance video and confirm my guess. Although I'm pretty sure of it, I can't speak rashly now."

"Alright, I've copied a part of the surveillance video