Pit Bulls are still the most dangerous dog race - in Texas, 3 of them killed a 23 year old dog sitter...

Statistically, 64% of all dog bit fatalities are caused by Pit Bulls. Looks like race and level of aggression are genetically linked. https://people.com/woman-23-mauled-to-death-by-3-dogs-was-pet-sitting-months-before-college-graduation-11857373