Complex sentence: Desperately playing for more time, their lawyer, Emanuel Hirsch Bloch, filed a complaint that this offended their Jewish heritage, so the execution was scheduled before sunset, at 8 pm on Friday instead of the regular time of execution at Sing Sing of 11 pm.
Split into simpler sentences: Desperately playing for more time, their lawyer, Emanuel Hirsch Bloch, filed a complaint that this offended their Jewish heritage,. As a result, the execution was rescheduled to before sunset, at 8 pm instead of the regular time of execution at Sing Sing of 11 pm.