Prince George's County Police Chief Mark Magaw says 26-year-old Richard Conway has been charged with the May 20 murder of 25-year-old Michael Mange and the shooting of Mange's 24-year-old wife.
Richard Conway, off-duty Prince George's officer, charged with murder →
"It's tragic, but it just shows the courage and dedication of these officers," he said.
Prince George's police officer killed in I-95 crash →
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