They say "evil begets evil" right? So they just got properly punished.
If you do something bad, you'll get in trouble later because evil breeds evil.
What does the Bible say about karma? Was it like "evil begets evil" or something?
Things that cause evil are the fruits of evil. This is a nice little saying. In English, you might say it as evil breeds evil. Remember that.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. The last 悪果 gets the 悪 shortened a little bit.