WARREN, Maine (AP) -- The Public Broadcasting Service show "FRONTLINE" is going to take viewers into the Maine State Prison for a look at solitary confinement and the effect on inmates.

Filmmaker Dan Edge went into the state's maximum security prison for the segment that's part of a "Locked Up in America" series. The first segment, "Solitary Nation," airs on April 22.

Edge says he was surprised to find there was little solitude in solitary confinement. He says people think seclusion drives prisoners crazy but he says it's the constant noise.

Rodney Bouffard, the new warden, tells "FRONTLINE" that he's trying to reduce the number of prisoners in isolation. He says harsh terms of confinement lead to bad outcomes when prisoners are released.

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