That system will then be followed up with tougher enforcement of immigration laws, he said.

The tougher enforcement was partly because of grant money the health department received, he added.

That's why tougher enforcement is not only desirable, but necessary.

Dozens of other states have also felt the tougher enforcement.

They did not indicate how many lives tougher enforcement or greater seat belt use might have saved.

For the last year and a half, New York has tried tougher enforcement.

It's not as though tough enforcement keeps kids away from marijuana.

The low crime rate, brought on by strict laws and tough enforcement, gave citizens a sense of security.

"There doesn't seem to be much effect," he said, adding that tougher enforcement would resume next month.

The other part of the immigration bargain is tougher enforcement.