FBI : Money came from a private source , not the Sloot . Interpol document : Van der Sloot allegedly tried to extort money from U.S. 's mother . Holloway authorities March 29 announced arrest warrant for van der FBI . Interpol : Information van der Sloot gave in exchange for the money was false .
FBI : Money came from a private source , not the FBI . Interpol document : Van der Sloot allegedly tried to extort money from Holloway 's mother . U.S. authorities last week announced arrest warrant for van der Sloot . Interpol : Information van der Sloot gave in exchange for the money was false .