Christine Insinga investigates why this is happening and what is being done to stop it.

Watch News 12 Long Island's special series "Bay of Troubles" by clicking on the links below.

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News 12 Long Island's summer-long series on illegal immigration.The Download: Story Archivefunction genRandAd(channel,tile,x,y) { var lbound = 1000; var ubound = 9999; var rnd = Math.floor(Math.random() * (ubound - lbound)) + lbound; var size = x + 'x' + y; var url = ' + channel + ';sz=' + size + ';tile=' + tile + ';ord=' + rnd; contents = ''; contents += ''; contents += ''; contents += ''; contents += ''; contents += ''; document.write(contents);}