A San Gabriel Valley doctor pleaded not guilty Thursday to writing thousands of illegal prescriptions for powerful painkillers during late-night weekend visits and then laundering the money he received in exchange. Daniel Cham, 47, was arrested earlier this week at his home in Covina after he was named in a 31-count indictment alleging he intentionally wrote more than 42,000 prescriptions for patients between 8 p.m. and 2 a.m. on the weekends since 2010, according to...
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