WASHINGTON (AP) -- An internal investigation of the community-organizing group ACORN found no pattern of intentional, illegal conduct by ACORN staffers on undercover videos shot by conservative critics of the group.

In a 47-page assessment that former Massachusetts Attorney General Scott Harshbarger was commissioned by the organization to do, he criticized ACORN's management as not moving fast enough to institute reforms after an alleged eight-year coverup by ACORN founder Wade Rathke of an embezzlement by his brother.

ACORN's leaders are "now reaping what Rathke sowed," wrote Harshbarger, who was brought in to investigate...