Obama called Thursday to speak out on the Martin case . Zimmerman 's defense team says the verdict was just . `` And that ends up having an impact in terms of how people interpret the case . '' President Obama explains African American frustration over the Trayvon Martin killing . He says protests over the killing must remain non - violent .
Obama called Thursday to speak out on the Martin case . Zimmerman 's defense team says the verdict was just . President Obama explains African American frustration over the Trayvon Martin killing . He says protests over the killing must remain non - violent .