Public memorial for Seattle officer killed on I-5 while helping with crash set for July 1 Officer Alexandra "Lexi" Harris was killed on Sunday, June 13, after she was struck helping with a crash on I-5. Author: KING 5 Staff Updated: 5:15 PM PDT June 23, 2021 SEATTLE — A memorial for an off-duty Seattle police officer who was killed while helping with a crash on I-5 has been scheduled for Thursday, July 1 at 1 p.m., according to the Seattle Police Department (SPD). Officer Alexandra "Lexi" Harris was killed on Sunday, June 13, after she was struck helping with a crash on I-5. The ceremony will be held at T-Mobile Park and is open to the public. SPD said it will release more details about the service in the coming days.