A Lancaster County woman has pleaded guilty to the third-degree murder of her baby. Officials say 30-year-old Amy Manning of Ronks left her 4-month-old infant unattended in the bathtub for 20-minutes while the water was running at the Roadway Inn in Paradise back in May of 2021. The plea came with a sentence from 7-to-14 years in prison. The child’s father, David Meadows, was in the hotel room during the incident. His case is still pending.