Jury: Mexican man not guilty in San Francisco pier killing

Paul Chinn/San Francisco Chronicle via AP, File

In this July 17, 2015 file photo, flowers and a portrait of Kate Steinle remain at a memorial site on Pier 14 in San Francisco.

SAN FRANCISCO — A jury on Thursday found a Mexican man not guilty of murder in the killing of a woman on a San Francisco pier that touched off a national immigration debate two years ago.