los : 2  angeles : 2  may : 1  DD : 3  upi : 1  the : 16  fbi : 1  has : 1  launched : 1  an : 2  investigation : 2  into : 3  fatal : 1  shooting : 2  of : 5  a : 6  homeless : 1  black : 1  woman : 5  by : 2  police : 3  officer : 3  move : 2  came : 1  one : 3  day : 1  after : 2  civil : 2  rights : 2  activists : 1  demanded : 1  identified : 1  as : 2  margaret : 1  laverne : 1  mitchell : 1  assistant : 1  u : 1  s : 1  attorney : 1  michael : 1  j : 1  gennaco : 1  says : 1  he : 1  asked : 1  for : 1  federal : 1  probe : 1  to : 7  determine : 1  whether : 1  used : 1  excessive : 1  force : 1  or : 1  violated : 1  year : 2  old : 2  who : 1  was : 3  college : 1  educated : 1  bank : 1  employee : 1  until : 1  she : 2  forced : 1  onto : 1  streets : 1  mental : 1  illness : 1  say : 2  pushed : 1  her : 2  shopping : 2  cart : 2  officers : 2  and : 3  tried : 1  stab : 1  with : 1  large : 1  screwdriver : 1  they : 1  stopped : 1  question : 1  last : 1  week : 1  about : 1  number : 1  thefts : 1  in : 2  area : 1  edward : 1  larrigan : 1  had : 1  suddenly : 1  avoid : 1  being : 1  stabbed : 1  fired : 1  shot : 2  continued : 1  try : 1  attack : 1  him : 1  upper : 1  torso : 1  died : 1  soon : 1  afterward : 1  at : 1  hospital : 1  