Brad Steinle, Liz Sullivan and Jim Steinle, the brother, mother and father of Kate Steinle appearing at a 2015 news conference on the steps of City Hall in San Francisco. Eric Risberg/AP hide caption toggle caption Eric Risberg/AP Law Appeals Court Says Parents Can't Sue San Francisco Over Immigrant Who Killed Daughter March 25, 2019 The case drew national attention when a local sheriff released from a city jail an unauthorized immigrant without notifying federal officials. The immigrant later killed Kate Steinle.