(Oregon City, OR)  --  A woman who's accused of causing the death of a seven-month-old child she was babysitting is free on bail.  Sarah Elizabeth Martin is set to be arraigned on May 28th on a charge of first-degree manslaughter in the death of Izaak Gillen.  Prosecutors say Izaak died by being violently shaken.  After Martin was booked, she paid the 25-thousand-dollar security deposit required for her release.