Inquirer: Seeking Peril
They call themselves the Lemon Crew, the Scorpions, Tiny Rascals and 60 Lansdowne Crips, and there are dozens of others, laying claim to blocks and neighborhoods across the city.
They are Philadelphia's gangs, and some are extraordinarily violent, contributing to the surge in shootings and murders engulfing the city.
While officials debate the scope of the situation or even the definition of a gang, U.S. Attorney Patrick Meehan is certain.
"There is a gang problem," Meehan said.