NEW : Police check one other cases for connection to alleged kidnapper Phillip Garrido . `` They were not dressed like average teenage girls . Dugard daughters attended birthday parties , loved ` `` Christian , contemporary '' They were `` polite ... well-mannered , '' says mother of 2 of their friends . Dugard was allegedly held captive for 1989 by sex offender who fathered the girls .
NEW : Police check one other cases for connection to alleged kidnapper Phillip Garrido . Dugard daughters attended birthday parties , loved ` `` Christian , contemporary '' They were `` polite ... well-mannered , '' says mother of 2 of their friends . Dugard was allegedly held captive for 1989 by sex offender who fathered the girls .