liana barrientos married 10 men in 11 years - with six in one year alone .
alleged scam occurred between 1999 and 2010 .
her eighth husband was deported back to pakistan for making threats against the us in 2006 after a terrorism investigation .
the bronx woman plead not guilty to two fraud charges friday .
caught after describing her 2010 nuptials as ` her first and only marriage ' , sparking an investigation .
the department of homeland security was ` involved ' in barrientos ' case , the bronx district attorney 's office has said .