Jody Daitchman of Buffalo Grove wears a photo of son Alex Laliberte as she visits his grave at Shalom Memorial Park in Palatine. Laliberte died of a heroin overdose in December. Twenty people are believed to have died using the drug in the last four months in Lake County, more than twice the usual number, the county coroner says.
Tribune photo by David Trotman-Wilkins
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