Robert K. Tanenbaum

Manhattan Assistant District Attorney Roger "Butch" Karp has been around New York long enough to realize that the judicial system can be dirty and cynical. But he still believes in justice....

Butch Karp has never shied away from a case, and when Croatian terrorists hijack a plane and kill an NYPD cop in a bomb blast, he’s eager to prosecute the high-profile killers....

When he goes undercover to bust mobsters who have infiltrated the sports world, Butch Karp glides effortlessly from the criminal courts he dominates as a prosecutor to the basketball court....

In the eighth story of the popular Butch Karp legal thriller series, Karp and his crime-fighting wife, Marlene, struggle to protect the abused and wrongly accused from powerful enemies....

Butch Karp's career prosecuting New York's worst criminals takes a chilling turn when a series of ghastly child murders opens a window into the city’s hellish underworld....

Assistant District Attorney Butch Karp is finally recognized for his heroic service to New York City when a group of politicians back him for the top job as Manhattan's district attorney....

When a cop shoots down the son of a respected inner-city Baptist preacher, the community rises up in anger and demands to have the officer prosecuted to the fullest extent of the law....

When Dirty Warren, the criminal-court newspaper vendor afflicted with Tourette’s Syndrome, is charged with murdering socialite Rene Hanson, Marlene Ciampi investigates....

New York District Attorney Butch Karp takes on a shadowy cartel that uses terrorists to further its criminal empire....

Escape is a classic encounter between the forces of good and evil in human form that asks, and answers, questions of how to deal with supposedly "God-inspired" acts of murder and mayhem....

In Bad Faith, two gripping story lines that could have been torn out of today’s headlines meet at the intersection of religion and medical ethics....

When a rap impresario is gunned down in his limo in New York City, it appears that gang-related violence has reared its ugly head once again....

A CIA chief dies under suspicious circumstances before he is about to testify about a controversial government cover-up involving a terrorist attack on the US mission in Chechnya....

When an actress dies from a gunshot wound in the Tribeca apartment of a Broadway producer, it is up to Roger "Butch" Karp and his wife, Marlene Ciampi, to champion the murdered actress's cause....

District Attorney Butch Karp goes up against a ruthless union leader with too much power, too many secrets, and too many enemies to silence... or kill....

A Jewish couple is assaulted and left for dead behind the counter of their deli, and anti-Israel graffiti is scrawled in Arabic above their bodies....

Months after a brutal double homicide in uptown Manhattan shocks the city, sensational newspaper headlines herald the arrest and indictment of Felix Acevedo....

When a former army veteran suddenly murders a colonel in New York, he claims that he had to do it because he was being used in mind control experiments....

For Butch Karp, chief assistant district attorney for New York County, the nightmare begins when a shocking act of negligence results in homicide....

Against a backdrop of Russian mobsters and corrupt lawyers, Butch and Marlene are on a mission to restore the system's lost dignity and bring the rapists to justice....