On March 13, 2019 at approximately 6:40 p.m., a 31-year old woman was walking southbound on Clark Street from North Shore Ave., when the offender approached her from behind, grabbed her and put his hand over her face covering her nose and mouth.  Offender’s hand was wet and smelled similar to alcohol.  Offender pulled victim backwards and victim lost consciousness.  Victim awoke later alone in an unknown building after being sexually assaulted.