The Latest: California crash pilot wasn't ex-Chicago officer

YORBA LINDA, Calif. (AP) — The Latest on the deadly crash of a small plane in Southern California (all times local):

11 a.m.

The Chicago Police Department says it has no record that the pilot killed in a deadly California plane crash was a retired officer.

The Orange County, California, Sheriff's Department identified the pilot on Monday as 75-year-old Antonio Pastini and said he was a retired Chicago police officer who had been living in Nevada.

Chicago police spokesman Anthony Guglielmi said in an email to The Associated Press there is no record of an officer by that name ever working in Chicago.

Orange County sheriff's spokeswoman Carrie Braun says coroner's investigators recovered credentials from Pastini that appeared to identify him as a retired Chicago officer.

Braun says discussions with the Chicago department Monday night determined the credentials are not legitimate.

Braun says the identification of the pilot as Antonio Pastini is not in question.

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8:05 a.m.

An aviation expert says he's confident investigators will figure out why a twin-engine plane broke apart in the air over a Southern California neighborhood.

National Transportation Safety Board officials on Tuesday planned to continue collecting parts of the plane that rained down onto suburban Yorba Linda.

Former accident investigator John Cox says midair breakups typically leave telltale signs in the plane's metal.

He says investigators should be able to build a sequence of the breakup that will lead them back to where it originated.

The pilot killed Sunday was identified as 75-year-old Antonio Pastini.

Authorities are still trying to identify four people killed on the ground.