Suspect in 1987 baby kidnap turns herself in

>>> major turn tonight on a story we have been following since last week, a woman accused of kidnapping a baby from a new york hospital more than two decades ago surrendered today in connecticut . nbc's tom llamas is at fbi headquarters in bridgeport. tom, good evening.

>> reporter: good evening, lester. tonight, federal authorities have charged ann pettway with the kid nooching carolina white. the fbi believes that she can unlock the mystery of how a 3-week-old was kidnapped from a new york hospital and spent 23 years living a lie. this exclusive video shows ann pettway leaving the fbi office in bridgeport, connecticut . police apprehend hadded pettway and now federal authorities have charged her with kidnapping infant carolina white, the 3-week-old who was snatched from harlem hospital in 1987 .

>> apparently, she had turned herself into them out in the town of connecticut .

>> reporter: pet waves on the run, also wanted for breaking probation in north carolina . she disappeared after news broke her daughter, 23-year-old nedra nance was really carolina white. pettway was spotted yesterday in bridge port, her hometown, trying to pawn items for cash.

>> she was recognized by the clerk at the time. he then made a call to us and detectives responded to the incident location, they were able to confirm the fact it was her.

>> reporter: pettway's mother who spoke to us behind a closed door, told us she never saw her daughter give birth to nedra. for more than two decades, the white family has suffered. that all changed last week when police say dna confirmed nedra's true identity. the 23-year-old had long suspected pettway wasn't her real mother. she searched online and found a photo of a missing baby that looked familiar. it was the biggest clue in solving the mystery of her life. pet sway expected to appear in manhattan federal court tomorrow where she will be charged with kidnapping. lester?

>> tom llamas, thanks.