Exodus 20:13: Thou shalt not kill.
Deuteronomy 5:17: Thou shalt not kill.
Matthew 5:21: Ye have heard that it was said by them of old time, Thou shalt not kill; and whosoever shall kill shall be in danger of the judgment.
Romans 13:9: For this, Thou shalt not commit adultery, Thou shalt not kill, Thou shalt not steal, Thou shalt not bear false witness, Thou shalt not covet; and if there be any other commandment, it is briefly comprehended in this saying, namely, Thou shalt love thy neighbour as thyself.
This "god" comes across a bit psychotic.
But those mine enemies, which would not that I should reign over them, bring hither, and slay them before me. Luke 19:27
God decides to kill Moses because his son had not yet been circumcised. 4:24-26
God will kill the Egyptian children to show that he puts "a difference between the Egyptians and Israel." 11:7
After God has sufficiently hardened the Pharaoh's heart, he kills all the firstborn Egyptian children. When he was finished "there was not a house where there was not one dead." Finally, he runs out of little babies to kill, so he slaughters the firstborn cattle, too. 12:29
But should you point that out and question the warning of false prophets are pointed out to you.