In 2001, she spent 800 hours of pro bono time and $50,000 of her own money on an appeal based on DNA evidence.
She worked on a case requiring DNA evidence in 2001.
At the southern extremities of the National Park are areas of limestone with so-called  clint and grike  patterns, caused when rainfall erodes weaker fissures, leaving high narrow ridges or overhangs of stronger rock.