One of the biggest dangers in Manhattan these days is running over and killing people with cars. In 2013 333 people were murdered in New York, while 286 people were killed by car crashes. Vance steadfastly refuses to prosecute motor vehicle violent crime. As long as this blind spot persists he cannot claim to be taking a scientific or quantitative approach to reducing crime.
http://www.streetsblog.org/2014/11/26/vance-serves-up-excuse...