The latest on the manhunt following the escape of two convicted murderers from a maximum-security prison (all times local):

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12:45 a.m.

Officers scouring the dense and boggy woods in northern New York for a surviving escaped killer took floodlights into the search area overnight, and others carrying rifles manned checkpoints and examined vehicles, opening trucks and peering into windows.

Franklin County Sheriff Kevin Mulverhill said late Saturday more tips poured in earlier in the day, and he was optimistic David Sweat would be captured, perhaps within 48 hours.

Mulverhill says residents are concerned that Sweat is on the loose and deputies are responding to anyone who wants their cabins checked. He says he think it will "be one of those phone calls that turns this case around."

Sweat's fellow escapee, Richard Matt, was shot to death by officers on Friday. The two fled the maximum-security Clinton Correctional Facility on June 6.