Crime Scene - Uncover the secrets, #1

Her eyes slowly fell on the place where the man's hand had just touched. Although it was not clear due to the light, the glaring red left on the transparent plastic partition was particularly vivid. The smell of fresh blood now had a tendency to cover the rotten smell. Schmitz turned her eyes with difficulty and glanced at the black plastic bag that had just been thrown in. Probably because it had been treated roughly, the black plastic bag was opened so wide, and looking at the shape, it was actually filled with...
Finger? ! A human finger? !Schmitz's eyes suddenly widened, but at this moment, she felt dizzy, and when she woke up again, she was back in front of her own refrigerator...