Immigration officials knowingly released dozens of murderers back into the U.S. in 2013, according to Obama administration statistics detailing all of the criminal convictions of the more than 36,000 immigrants released from custody last year. The numbers show that the criminals released by U.S. Immigration and Customs Enforcement had amassed more than 15,000 drunken-driving convictions, 1,317 domestic violence convictions, 727 sex crimes convictions and even four that the statistics listed as “treason, sabotage.” The immigrants were in deportation proceedings, meaning ICE was trying to remove them from the country and could have held them in detention, but released them anyway,