Authorities released a clearer image of the person of interest as the manhunt for the gunman enters its fourth day.

Investigators are now speaking with a person of interest in the horrific acid attack that shocked Savannah, Mayor Van Johnson says.

Rob Reiner’s son charged with his parents’ murders; Police release new images of person of interest in connection with Brown University shooting; Deadly flooding threatens millions in Pacific Northwest;

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Law enforcement officials have identified the person of interest detained in connection with the Brown University shooting as 24-year-old Benjamin Erickson of Wisconsin, multiple sources told CNN. CNN Chief Law Enforcement and Intelligence Analyst John Miller has more.