The plot concerns the work of a police unit created specifically to deal with particularly sadistic and unfathomable crimes.
[2] Génesis: en la mente del asesino was produced by Ida y vuelta.
[3] The episodes were directed by Ignacio Mercero [es], Juan González and Javier Quintas,[3] whereas the writing team was formed by Darío Madrona, Diego Sotelo, Andoni de Carlos, José Antonio Valverde, Aitor Gabilondo, Carlos Vila, Javier Holgado and José Luis Latasa.
[5] The series premiered on Cuatro 3 May 2006 and it earned "good" viewership ratings in the first episode (1,127,000 viewers and 6.1% share), above the channel's average.
[7] Fanny Gautier, Juana Acosta, Enrique Arce and Roger Coma were added to the cast to compensate for the leaving of Verónica Sánchez.