Roy Hubert and his small band of roving prosecutors are trying to rectify this pattern of uneven enforcement.

If obscenity laws continue in this uneven and uncertain enforcement, then the vehicle has been found for the suppression of any unpopular tract.

The report said the violations were "symptomatic of uneven and, at times, ineffective enforcement by all federal bank regulators, of bank compliance with their anti-money-laundering obligations."

The problem, which has persisted for decades, is an example of how the gulf has suffered environmental damage long before the recent oil spill, largely because of uneven enforcement of pollution laws by states.

But business travelers have been complaining for nine months about uneven, often capricious enforcement of carry-on baggage policies at airport checkpoints.

(However, uneven enforcement of these laws meant that the main beneficiaries were nobles.)

That has prompted some complaints about uneven enforcement, Ms. Pack told the Shelter Island Town Board on a visit to Suffolk's smallest town early last month.

Several locals pointed out uneven enforcement of these laws for different businesses, depending on personal relationships with the police or district officials.

One of the key things to have emerged is uneven enforcement across the Union and the lack of political will by Member States to make the enforcement system work.

Although minors require documentation when traveling abroad in order to avoid trafficking, the uneven enforcement of this requirement results in continued trafficking.