Police in Chicago are searching for a 22 year old suspect believed responsible for killing 6 people at an Independence Day parade in the suburb of Highland Park.
Robert Crimo is local to the area, and appears in highly disturbing videos on social media warning of an act of mass gun violence.
The investigation into Monday's attack is now being lead by the Department of Homeland Security, fueling speculation that the shooting may have been an act of domestic terrorism.
President Biden, addressing a July 4th gathering at the White House, made only an oblique reference to Monday's tragedy.
IN: "You all know…."
OUT: "…and unafraid"
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