Generally, people's motivation to commit crimes comes from impoverished...
Is this passive? 'Sometimes, crime is committed out of the ordinary....'
Yes, just look at the subject of the sentence. Crime is the subject of the sentence. So... you want to make it active, so you have to make it so that the subject of the sentence is doing something instead of having something done to it.
Sometimes, people commit crimes because of circumstances that are out-of-the-ordinary, without any thought, and other times they may commit crimes after great consideration, as in most robberies; however each criminal commits a crime for their own purpose.
:-)