There was a message of unity Saturday at the Picnic for Solidarity at the Al-Aqsa Islamic Society.
President Barack Obama said Thursday investigators are continuing to search for the motives of the people who killed 14 people in a spray of bullets in California and called on Americans to "search ourselves as a society" to find a way to curb gun violence.
See images of the mass shooting incident in San Bernardino, California.
Jack Tomarchio, a senior fellow at the Center for the Study of Terrorism, joins Jim Gardner for a discussion on the San Bernardino mass shooting.
A Homeland Security video on YouTube, that explains how to save yourself during a workplace shooting, has gotten more than 3 million views.
Action News spoke with Philadelphia Police Commissioner Charles Ramsey and a former FBI agent in the wake of the mass shooting in San Bernardino, California.