Main Street Nightclubs - Who do they attract?

A young man, a former marine was shot the other day after leaving his job at a Main Street Nightclub. Are these bars attracting a dangerous crowd? Here is a sample of the advertisements they keep putting on our cars and littering our parks with:

 

Rivera was shot as he was leaving his bouncer's job at Club Dream, between Main and Sycamore streets in Over-the-Rhine, at 2:48 a.m. Wednesday.

"He escorted someone out," ...
That's the person... who police believe waited in the alley for the club to close, then ran up to Rivera as he sat in his car.

Calls and an e-mail to Club Dream also weren't returned.