One of the selling stories for a wall has been personal anecdotes and stories about crimes committed by immigrants. Those anecdotes may not be backed by actual statistics.
Approximately 3% of the US population are undocumented immigrants. There are approximately 20,000 homicides per year. So statistically it would make sense if there were 600 homicides by undocumented immigrants per year. I don’t think precise statistics are kept each year but studies at least suggest the rate of violent crime is lower on average.
Imagine if we kept track whether killers were left-handed? I expect we would be able to find all sorts of examples to use in anecdotes.
It's widely known that left-handers are much less prevalent than their right-handed counterparts in society. In fact, it's estimated that lefties make up roughly 10% of the world's population. There are a variety of theories about why some people turn out to be left-handed, but no one knows for...