That's what I heard, come to think of it. Something about the crime rate perhaps.
It would be interesting to see statistical information.
To my understanding, the pro-(I don't know what to call them) moon people say that it's gravity pulls on the fluid in our brains, much like the tides.
I’ve worked in the Mental Health field in the past. The looney bin gets even loonier during full moon. The weirdos get weirder. I’ve spoken with EMT’s and paramedics who see similar effects on disturbed individuals and patients during a full moon. My wife is a nurse in an Alzheimer’s wing of a nursing home. The last full moon set all of them off.