manhunt
The suspect, Kenneth DeHart, 42, who allegedly drove off after the shooting in Maryville, is believed to be armed and dangerous, authorities said.
Gregory Yetman is in police custody following a two-day search.
A witness told Fox News she saw an agitated Laundrie arguing with a server about money and said Petito apologized for his behavior.
The inmates disarmed and fatally shot two officers, police said.
WHAT'S HAPPENING
Four women were killed in the attack, and a man who was taken to a local hospital with serious injuries died overnight.
"He's a coward."