1)Robert Brame, a professor of criminal justice and criminology at the University of North Carolina, Shawn Bushway, a criminologist at the State University at Albany
2) the bureau of labor statistics
3) they would want to make the number lower to make things seem better in the country?
Yes 7,335 participants were nationally representative and ranged in age from 12 to 16 when they were enrolled in the survey in 1996. The first interviews were conducted in 1997. Follow-up interviews have been carried out annually since then.