- Delitti Imperfetti (English: R.I.S - Imperfect Crimes) is an Italian television series, created in 2004 by Pietro Valsecchi, broadcast since January 2005 on Canale 5.
is an acronym for Reparto Investigazioni Scientifiche (an actual, real-life unit of the Carabinieri, the Italian gendarmerie), could be approximately translated into English as Unit of Scientific Investigations: Imperfect Crimes.
As the title indicates, the series is a crime drama, focusing on the scientific aspects of crime investigations, in a similar vein to the popular American TV series CSI: Crime Scene Investigation (though RIS is not a remake thereof).
The Series follows the team of forensics who are trying to solve the case with help of evidence.
The series has successfully spawned three remakes: French R.I.S, police scientifique, German R. I. S. – Die Sprache der Toten, and Spanish RIS Cientifica.