Don't tell my mom because our glass house will break...

Deciding when the right time see if your kin are "Psychopathic Killer's" follow this checklist and have your physician do an Cat Scan they could be on their way to being hyper aggressive. Too much serotonin is the fire starter. Worried run through the checklist.

-Damage to the Orbital Cortex (all Have this)

-Traumatic occurrence in a prepubescent Stress. Something very stressful not Corporal Punishment!!

-Male (most likely because the X chromosome is how its passed)

Jim Fallon Describes this study on TED.