"The homicide rate in Baltimore, DC, and Philadelphia increased ten fold. Were there ten times the number of young men?" I have to address this point. Doesn't

"The homicide rate in Baltimore, DC, and Philadelphia increased ten fold. Were there ten times the number of young men?" I have to address this point. Doesn't have to be a ten fold increase in people to account for a ten fold increase in crime. A much smaller, unemployed group can dramatically increase crime for lack of better stuff to do.