Libby has a busy Crown Court practice prosecuting and defending all areas of general and serious crime.

She has recently acted in several cases involving gang violence, firearms, and drug conspiracies, involving evidence of drill music as evidence of gang affiliation, and expert evidence relating to cell site, drugs, and firearms. She has experience of cases involving vulnerable clients and witnesses, including cases where fitness to plead is an issue. She also appears in regulatory and extradition matters, and has appeared in actions against the police. Libby has spent time seconded to the CPS as Senior Crown Prosecutor.

Libby has particular experience of fraud, financial crime, and POCA proceedings. She has completed secondments at both the SFO and the FCA, gaining an understanding of the investigation and prosecution of large-scale frauds and money laundering enterprises. She regularly acts in cases of fraud and money laundering as led junior and junior alone.