C928 Exclusion of Suspicion

When Su Mann heard this, she didn't react for a moment.

Gao Guan explained further, "In other words, only Rui Qiu was directly burnt to death, while her adoptive parents were burnt to death by the smoke."

Su Mann could not believe it. "Smoke can kill people?"

Gao Guan nodded, "That's right, the fire will produce a lot of carbon monoxide and carbon dioxide, as well as a lot of smoke