Some critics of Mr. Spitzer's approach have argued that he could create a panic among investors through the serial prosecution of fund companies and their employees.
The bill would allow for felony prosecution of serial abusers who commit two or more misdemeanor domestic violence offenses within five years, such as repeated beatings that do not cause major physical injuries.
"The prosecution's serial misconduct that has tainted these proceedings establishes that Mr. Banks cannot receive a fair trial if again prosecuted by the Bowie County district attorney's office," they wrote.
He insisted that the Treasury approach has been "very successful", saying it has sought prosecution for "serial tax evaders" and raised extra tax revenue.
His service as state attorney was noted for his successful prosecution of serial killer Danny Rolling, the "Gainesville Ripper".
Lord Justice Leveson led the prosecution case against serial killer Rose West, who was jailed in 1995 for the murder of 10 women and girls, and was the judge during the 2006 trial following the killing of 10-year-old London schoolboy Damilola Taylor.
Stevenson was a leading member of the legal team assisting Sir Reginald Manningham-Buller during the failed prosecution of alleged serial killer Dr John Bodkin Adams in 1957.
In 1955 he defended Ruth Ellis, the last woman to be executed for murder in the United Kingdom, and two years later took part in the unsuccessful prosecution of suspected serial killer John Bodkin Adams.
Last week's conviction of Boulder County serial killer Scott Lee Kimball came despite the prosecution not knowing how many victims Kimball had killed.
The Association of Chief Police Officers (Acpo) is also pressing for the creation of a "course of conduct" offence that would enable prosecutions to be brought against serial offenders even if the evidence is insufficient in each individual case.
The UK is currently facing the threat of prosecution by the European Union for serial violations of air-quality standards.
