Was kidnap mistaken identity? Unsolved abduction of pregnant Angela Hammond 30 years ago 'was meant to target daughter of police informant who helped bust drugs ring', newly-revealed chilling ransom note suggests Angela Hammond, 20, was abducted from a pay telephone booth while four months pregnant on April 4, 1991 in the town of Clinton The ransom note that points to the mistaken identity theory came from the original police file for the Hammond case Police believe kidnapper may have been targeting another young woman named Angela, who was the daughter of a local police informant That informant received a chilling ransom note on the evening of Angela's disappearance