What kind of man could kill his kids?!

"Inside, a father and his son, 10-year-old Austin Chang, were found dead. The father has been identified as Woo Chang, 41.
The boy’s 6-year-old sister was located inside and transported to a hospital in critical condition. Police said the cause of death was carbon monoxide poisoning due to a generator."

https://www.msn.com/en-us/news..../crime/police-illino