The program was first aired on April 30, 1989 by
Donatella Raffai and
Paolo Guzzanti. The format of the episodes was inspired by
Portobello, which described the cases of people going missing. In October 2012,
Paolo Ruffini, a journalist, left the ''Chi l'ha visto?'' team. On November 12, 2013,
Fiore De Rienzo left the team. On October 23, 2024, ''Chi l'ha visto?'' launched an episode that features the discovery of a girl from
Viareggio and a case about Greta Spreafico. In early October 2025, Sciarelli launched a new episode of ''Chi l'ha visto?''. The episode includes continuation of the investigation of a murder in
Garlasco. On October 8, 2025, ''Chi l'ha visto?'' released an episode that features the continued investigation of the death of
Liliana Resinovich four years after the case began. == References ==