El secreto del doctor Grinberg 2020 This magical, mystical thriller is based on 9 years of arduous investigation into the disappearance of acclaimed Mexican scientist Dr Jacobo Grinberg Interviews are conducted with his family members, close friends and colleagues, in an attempt to discover why the Doctor disappeared in 1994, never to be seen again As we travel around Mexico, new and curious details about the disappearance begin to emerge and the original police officer assigned to Grinbergs case, and then later removed, gives his take on why we still havent gotten any real answers over 25 years later