<p>Published 9:03 a.m. PDT [Updated 12:10 p.m. May 28] MODESTO -- Hours after learning that Chandra Levy was murdered, Robert and Susan Levy tried to focus on the positive at a memorial service celebrating their daughter's short life.</p>
<p>In Washington, medical examiner Jonathan L. Arden told reporters that the death had been classified as a homicide but the cause of death could not be determined.</p>