NEW : The former president denies in a TV interview having contact with the girls . After his arrest , authorities said , officers found he was carrying two boxes of cigarettes loaded with cocaine , commonly known as `` pitillos . '' Comment: He was sent to a drug rehab facility after he was found with cocaine . Pereda ruled Bolivia for four months in 1978 .
NEW : The former president denies in a TV interview having contact with the girls . Comment: He was sent to a drug rehab facility after he was found with cocaine . Pereda ruled Bolivia for four months in 1978 .