Watch Online Free HD Solarmovies. The psychopath, chronicle of an unsolved case, tells the story of the first serial killer registered in Costa Rica. Known as "El Psicopáta", between 1985 and 1995, he left nineteen victims. The documentary analyzes the case from criminalistics and the analysis of a socio-political environment that influenced the case was never resolved and was recorded in the Costa Rican imaginary.