Federal agents investigating the Christmas day explosion in Nashville sharpened their focus Saturday, identifying a person of interest and searching an Antioch duplex as they tried to piece together “a giant jigsaw puzzle of evidence.
U.S. Attorney Don Cochran said more than 500 citizen tips were driving the investigation. More than 250 FBI agents and staff were collaborating on the case.
Authorities did not give details about the person of interest, the ongoing search in Antioch or the ongoing analysis of the sprawling Second Avenue crime scene.
There were no manhunts or announcements about a suspect.
“Let me reiterate that Nashville is safe, police chief John Drake said Saturday afternoon.