Kansas officials receive mysterious letters with white powder | GMA
Secret Service confirms white powder found at White House is cocaine
Donald Trump, Clarence Thomas targeted in letters with white powder l GMA
Georgia Bureau of Investigation arrests father of suspected school shooter
Authorities hunt for clues after Georgia mom vanishes l GMA
Former NYPD Chief of Detectives talks investigation into Gilgo Beach suspect l GMA
More officials sent letters containing suspicious white powder l WNT
More officials sent letters containing suspicious white powder l WNT
'Where Monsters Hide,' Part 1: Police hunt for clues in Michigan man's disappearance | Nightline
Investigations in Brazilian election protest leads to police raids
