Claim: Missing is a film from 1982.

Charles Edmund Lazar Horman -LRB- May 15 , 1942 -- September 18 , 1973 -RRB- was an American journalist documentary filmmaker killed during the 1973 Chilean coup d'état led by General Augusto Pinochet that deposed the socialist president Salvador Allende . Horman 's death was the subject of the 1982 Costa-Gavras film Missing .   In June 2014 , a Chilean court ruled that the US played a `` fundamental '' role in Horman 's murder . In January 2015 , two former Chilean intelligence officials were sentenced in the murders of Charles Horman and Frank Teruggi .