CHICAGO (CBS) — The annual St. Jude Memorial March brought several thousand police officers and their families to Gold Star Families Memorial and Park on the lakefront on Sunday, to pay special tribute to officers who have died in the line of duty.

WBBM Newsradio’s Steve Miller reports a woman whose husband is a Chicago police officer said she does her share of worrying when her husband goes to work.

“In more ways than you can imagine,” she said.

LISTEN: WBBM Newsradio’s Steve Miller Reports

She waited for the line of officers to come marching by, looking for her husband, as she held their 3-and-a-half-year-old son in her arms.

“When I have to explain to him why we are truly here – to memorialize those who have dedicated their lives and have lost their lives because of their service, I get a little choked up thinking about the fact that my husband is still very much alive,” she said. “He works in a very dangerous community. He still goes out their every day. But I thank Jesus that he comes home to us.”

Alast December, Officer Clifton Lewis, 41, was shot and killed as he worked his second job as a security officer at a West Side convenience store.

Mayor Rahm Emanuel was among those attending Sunday’s march at Gold Star Memorial Park, just east of Soldier Field.

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