Ryan Hemphill , 33 , was arrested in April 2017 for ' having ' He ' strapped a knife to viola 's neck then strangled her unconscious ' Manhattan ' graduate will appear before a judge next month .
Ryan Hemphill , 33 , was arrested in April 2013 for 'strangulation ' He 'held a knife to woman 's neck then strangled her unconscious ' Manhattan law graduate will appear before a judge next month .