NEW : Expert : ` We 've seen a huge spike in smuggling by water , '' Lauren Mack , a spokeswoman for the Immigration and Customs Enforcement office in San Diego , said in 2009 . Maritime crossings into the United States have become a `` new frontier '' 2009 , the United States 's navy says it rescues about 10 or 12 stranded immigrants . As part of a scam , officials say , traffickers leave migrants adrift at sea . more than 60 % of Mexican in recent survey say they would move to the United States .
NEW : Expert : Maritime crossings into the United States have become a `` new frontier '' 2009 , the United States 's navy says it rescues about 10 or 12 stranded immigrants . As part of a scam , officials say , traffickers leave migrants adrift at sea . more than 60 % of Mexican in recent survey say they would move to the United States .