Following the airing of the De Vries program , Beth Twitty , adhering to the position that the tapes represent the way events transpired , told the New York Post that she believes her daughter might still be alive if Van der Sloot had called for help . Following the airing of the De Vries program , Beth Holloway , adhering to the position that the tapes represent the way events transpired , told the New York Post that she believes her daughter might still be alive if Van der Sloot had called for help .