Summary: A new study shows that observing violence can make individuals more likely to act aggressively later, but the effect depends on familiarity. Male mice who watched familiar peers attack…
Category: violence
Murder-Suicide Rates in U.S. Higher Than Previously Estimated
Key Questions Answered Q: How common are murder-suicide events in the U.S.?A: The study found an average of 820 deaths per year from murder-suicide events—higher than previous estimates. Q: Who…
What Drives Women to Kill? Emotion & Threat, Not Psychopathy
Summary: Women who commit lethal violence rarely display psychopathy, instead acting out of provocation and perceived threats. A 15-year Swedish study of 175 cases found that about half of the…