On 12th June, Out-Law reported that a lack of resources for police and prosecutors and the international focus of regulators could be contributing to the falling number of prosecutions for white collar crime in England and Wales. The reduction continues a general trend seen since 2011 when the number of white collar prosecutions was 31% higher at 11,261. Another factor offered was that both the FCA and SFO have been concentrating their resources on large and complex corporate criminal cases in recent times.
https://www.out-law.com/en/articles/2018/june/prosecutions-white-collar-crime-fall/