Thursday, April 21, 2011
A variant of the MAO-A gene is associated with violent behavior, particularly when it exists in an individual who has been subjected to child abuse. Should someone with this gene and this history be able to raise a defense against criminal conduct? The scientific jury seems to still be out on this one. Here is a story from 2010 in which the warrior gene defense convinced a jury to find voluntary manslaughter, as opposed to murder, in a particularly grisly case.