Cost of Violence conference concludes with straight talk — and songs of joy

Criminologist David Kennedy keynotes Cost of Violence Conference

Mothers in Charge second annual Cost of Violence National Conference convenes in Philadelphia

Remembering Devin Bullock

Two 11-year-olds, nine others among Philadelphia shooting victims this weekend

Philadelphia shooting victims: January, 2014

31 days in 31 seconds: December, 2013 gunshot victim reports from Philadlephia

Compiled videos: Panic on the Parkway

Australia's ABC News reports on the struggle to stem gun violence in Philadelphia

In Philadelphia: 12,000 chalk outlines represent annual toll of US gun homicides

Philadelphia Commissioner Ramsey: We have a Sandy Hook happening all the time

The Cost of Violence National Conference: Day One

Philadelphia Commissioner: 'Banning assault weapons, by itself, will not solve the problem'

ITN: Swat teams tackle gun violence in Philadelphia

President Obama talks about gun violence solutions in a Fireside Hangout on Google+

ITN: On the streets in Philadelphia as police fight gun crime

They deserve a vote

Remembering Chino Sanchez

Mourning across Newtown

Newtown, PA, holds vigil for Connecticut shooting victims

Daylight murder in South Philadelphia

Four shootings in four hours Tuesday night in Philadelphia

Sizable reduction in shooting victims noted during November in Philadelphia

Weekend gun violence leaves seven dead and eight wounded across Philadelphia

Six dead and four wounded in 24-hour gunfire outbreak in Philadelphia

Multiple shootings and women wounded during October in Philadelphia

Two dead, three critical and five more wounded by gunfire Thursday night across Philadelphia

Monday: Three dead, three wounded in Philadelphia shootings

Motorcycle procession honors fallen Plymouth Township Police Officer Brad Fox

Photos: Procession for Philadelphia Police Officer Moses Walker, Jr.